1、课时作业19Grammar.用所给词的适当形式填空1Hearing (hear) the cry for help, we rushed out of the room.2Starting (start) at once, well arrive tomorrow morning.3Being (be) too busy these days, I have no time to play table tennis.4He sent me an email, hoping (hope) to get further information.5Knowing (know) where I liv
2、e, he never comes to see me.6The child fell, striking (strike) his head against the door and cutting it.7Not_knowing (not know) how to do it, he had to ask for help.8Having_found (find) the answer, he felt relieved.9Having_been_taught (teach) hundreds of words, the students can make up some simple d
3、ialogues.10School being (be) over, the students left the classroom and went home.句型转换(用动词的ing形式完成句子)1After he had finished his homework, the little boy began to play Internet games.Having _finished his homework, the little boy began to play Internet games.2Because they had been warned by their paren
4、ts, they didnt dare to go out at night.Having been warned by their parents, they didnt dare to go out at night.3He went out and shut the door behind him.He went out, shutting the door behind him.4Since we didnt know her address, we couldnt get in touch with her.Not knowing her address, we couldnt ge
5、t in touch with her.5She sat at the desk and read a newspaper.She sat at the desk reading a newspaper.完成句子1We will set up the English corner, providing_us_students_a_platform to practice our oral English.我们将建立英语角，给我们学生提供一个练习英语口语的平台。2Feeling_quite_sorry for that, I begin to think about what to do to
6、help.我对此感到很遗憾，开始想着做些什么来帮助(他们)。3More highways have been built in China, making_it_much_easier for people to travel from one place to another.中国又建了很多高速公路，这使人们的出行变得更容易了。4It_being_Sunday,_I didnt need to get up early this morning, so I stayed in bed until 9 am.因为是周日，我不必早起，所以一直睡到早上九点。.阅读理解Our human ances
7、tors may have been sophisticated tool users 1.76 million years ago.Newly discovered hand axes from that period are the oldest examples of the complex Acheulean culture, 350,000 years older than the previous record holders. These ancient tools could affect what we know about humanitys departure from
8、Africa. “Anthropologists consider the Acheulean hand axes to be the culture of our ancestor Homo erectus (直立猿人) , and we know H. erectus first evolved around 1.8 or 2 million years ago，” study researcher Christopher Lepre, of Columbia University, told LiveScience. “I think most researchers were anti
9、cipating that older stone axes would be found.” And now theyve found them.Multiple examples of these Acheulean hand axes, which were made from chipped volcanic rock from a nearby stream, were found at a site on the shore of Lake Turkana in Kenya. The excavation team, led by Hlne Roche from the Unive
10、rsit Paris in France, surveyed five sites in the area and found tools from an older culture of tool use, the Oldowan culture, in varying degrees of sophistication.The Oldowan tools that the researchers discovered were crude stone flakes, sharpened to the edge. The Acheulean hand axes, on the other h
11、and, have a defined teardrop or oval shape to them. Lepre said this indicates that H. erectus had the ability to conceptualize the size and shape of the tool in their minds, and then reproduce it out of stone.The ax blades were held in the hand (as opposed to woodhandled axes, a later invention) and
12、 were probably used to butcher zebras or giraffes, to smash open bones and scrape hides, or as digging tools to reach vegetables like potatoes.The study will appear in Thursdays issue of the journal Nature.这篇文章向我们说明了古时工具的使用，通过工具我们可以了解祖先们的生活方式。1According to the new discovery, our ancestors used tools
13、 _ years earlier than the previous record holders.A1.76 million B2 millionC350 thousand D167 million答案：C解析：细节理解题。由第二段中的“.350,000 years older than the previous record holders.”可知，新发现表明我们的祖先开始使用工具的时间比之前早了35万年。所以应选C选项。2What were the Acheulean hand axes discovered made from?AVolcanic rock from Kenya.BBi
14、g stones from France.CBronze made in America.DCrude stone flakes from Australia.答案：A解析：细节理解题。由第四段可知，阿舍利时期的手斧是由附近溪流里的火山岩石碎片制造的，是在肯尼亚。故选A。3The text is most likely to be found in a book about _.Anature science Bhistorical eventsCsuccessful people Dpolitical system答案：A解析：细节理解题。由最后一段“The study will appea
15、r in Thursdays issue of the journal Nature.”可知，这篇文章应该是有关自然科学的。故选A。.七选五阅读What is the tallest mountain on earth? _1_ But there is something 304 meters taller than Mount Everest. However, it is mainly underwater. It begins at the bottom of the Pacific Ocean, and rises more than 17 kilometers from the o
16、cean floor.Its name is Mauna Loa, which means “Long Mountain” in the Hawaiian language. Mauna Loa is more than half of the island of Hawaii, the largest of the Hawaiian Islands._2_ It has produced liquid rock called lava (熔岩) more than thirty times since records were first kept in 1843. Today, Mauna
17、 Loa is quiet. It is not producing lava. However, volcano experts say it is only a matter of time before this happens once again._3_ There are four others. Three of them are no longer active. One of them is still active. It is named Kilauea. It has produced lava more than fifty times in the last 100
18、 years.At this moment, red hot lava is pouring out of Kilauea. _4_ Sometimes the lava moves slowly. At other times it pours out very fast as huge amounts of pressure force it from the volcano. During these times, it moves almost as quickly as water moving down the side of a mountain.When the lava fr
19、om Kilauea reaches the ocean, its fierce heat produces great amounts of steam that rise into the air. The lava is so hot that it continues to burn underwater for some time. The lava from Kilauea continues to add land to the island as the volcanoes of Hawaii have always done. _5_AIt has been doing th
20、is since 1983.BIt is no longer considered to be active.CYou will say the answer is Mount Everest.DIt is these volcanoes that formed the islands of Hawaii.EMauna Loa is not the only volcano on the island of Hawaii.FMauna Loa is also the largest and most active volcano on earth.GExperts say the volcan
21、oes are a serious threat to many parts of the island.答案：15CFEAD.读后续写阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。Long long ago, there lived a powerful king. He ordered that when a person was accused of a crime, his future would be judged in the special building, by choosing to open one of the two doors, which were
22、 side by side, exactly alike.The person on trial had to open one of them. Behind one door was a_tiger,_which would tear him to pieces as a punishment for his guilt. Behind the other door was a lady, chosen especially for the person, to whom he was immediately married, in honor of his innocence, no m
23、atter whether he had ever had a wife before. And this was the kings method of carrying out justice.The king had a beautiful daughter who was like him in many ways. He loved her above all humanity. She secretly loved a young_man who was the bestlooking and bravest in the land. But he was a common per
24、son, not part of an important family. One day, the_king discovered the truth, and the man was immediately put in prison. A day was set for his trial in the kings public building. This, of course, was an especially important event. Never before had a common subject been brave enough to love the daugh
25、ter of the king.The day of the_trial arrived. The king and his advisers were in their places, opposite the two doors, with people gathering there. All was ready. The sign was given. The_door under the king opened and the young man entered it. He turned to bend to the king, but his eyes were fixed on
26、 the_princess,_who sat to the right of her father. There was no time to be lost.The princess raised her hand, and made a short, quick movement toward the_right. No one but her lover saw it. Every eye was fixed on him.He turned, and with a firm and quick step he walked across the empty space. Every h
27、eart stopped beating. Every breath was held. He went to the door on the right.注意：1所续写短文的词数应为150左右；2至少使用5个短文中标有下划线的关键词语；3续写部分分为两段，每段的开头语已为你写好；4续写完成后，请用下划线标出你所使用的关键词语。答案Paragraph 1：When he reached the right door, he held a deep breath and gave a last look to his love, smiling. He knew clearly from the
28、 princess eyes that inside the right door was the fierce tiger, because he knew her so well. Whats more, he also read from her eyes that she would follow him in the heaven. For love, he would like to lose his life. Determined, he opened the_door.Paragraph 2：Inside the door came nothing, which everyo
29、ne was puzzled at. The_king stood up, smiling, “Young_man,_from this event, I know you love my daughter deeply. In fact, there is nothing behind the two doors, because I dont want to lose my daughter or even hurt her, but I want to test your love, so I let her know the tiger would be behind the right door on purpose before the_trial. She chose the right door for you and you trust her totally, without hesitation. I admit your love！”All the crowds cheered and shouted happily. The_princess and her lover hugged tightly.
