1、Unit4 基础知识课堂检测 (一)I. 单词1. 系统；体系；制度 n. _ 2. religion n. _ 3. 学说；理论n. _4. 球体；地球n. _ 5. 猛烈的；激烈的adj. _ 6. carbon n. _7. 大气层；气氛 n. _ 8. 基本的；基础的adj. _ _ 9. 有害的adj. _10. 链子；连锁n. _ _ 11. multiply vi.&vt. _ 12. 存在；生存 vi. _13. oxygen n. _ 14. 谜；难题 n. (使)迷惑；（使）为难v. _II. 短语1. in time _ 2. 以开始 _ 3. 以-结束 _4. 下蛋 _
2、 5. 产生；分娩 _ 6. 轮到某人；接着 _7. in turn _ 8. 阻止；制止 _III. 句子1. However, _(根据一种普遍为人们所接受的理论),the universe _(起源) a “Big Bang” that threw matter _ (向四面八方).2. _still remains a mystery. 它们为什么会突然灭绝至今还是个谜。3. They are putting too much carbon dioxide into the atmosphere, _ _ the earth into space. 这使得地球上的热不能释放到太空中去。
3、Book 3 Unit4 基础知识课堂检测 (一)答案I. 单词1. 系统；体系；制度 n. system 2. religion n. 宗教；宗教信仰 3. 学说；理论n. theory 4. 球体；地球n. globe 5. 猛烈的；激烈的adj. violent 6. carbon n. 碳7. 大气层；气氛 n. atmosphere 8. 基本的；基础的adj. fundamental 9. 有害的adj. harmful 10. 链子；连锁n. chain 11. multiply vi.&vt. 乘；增加 12. 存在；生存 vi. exist 13. oxygen n. 氧 1
4、4. 谜；难题 n. (使)迷惑；（使）为难v. puzzle II. 短语1. in time 及时；终于 2. 以开始 begin/start with 3. 以-结束 end up with4. 下蛋 lay eggs 5. 产生；分娩 give birth to 6. 轮到某人；接着 in ones turn7. in turn 相应地，转而 8. 阻止；制止 prevent from III. 句子1. However, according to a widely accepted theory (根据一种普遍为人们所接受的理论), the universe began with (
5、起源) a “Big Bang” that threw matter in all directions (向四面八方).2. Why they suddenly disappeared still remains a mystery. 它们为什么会突然灭绝至今还是个谜。3. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping form the earth into space. 这使得地球上的热不能释放到太空中去。Book 3 Unit4 基础知识课堂检
6、测 (二)I. 单词1. 生物学 n. _ 2. gravity n. _ 3. 人造卫星 n. _4. 文雅的；温和的adj. _ 5. 气候 n. _ 6. 碰撞；坠落 v. _7. 拉；拖；牵引力 n.&v. _ 8. （使）浮动；（使）漂浮 v._9. 乘；增加 v. _ 10. 氧 n. _ 11. 宇宙飞船 n. _ 12. lessen vi. &vt. _II. 短语1. 挡住（光线）_ 2. 感到高兴；感到振奋 _3. 既然 _ 4. 突发；爆发 _ 5. 密切注视；当心；提防 _6. break up _ 7. break down _III. 句子1. But when
7、I tried to _（朝前迈步）, I found I was carried _（地球上两倍的距离）and fell over.2. _(走路的确需要练一练) now that gravity has changed. Book 3 Unit4 基础知识课堂检测 (二)答案I. 单词1. 生物学 n. biology 2. gravity n. 万有引力；重力 3. 人造卫星 n. satellite4. 文雅的；温和的adj. gentle 5. 气候 n. climate 6. 碰撞；坠落 v. crash7. 拉；拖；牵引力 n.&v. pull 8. （使）浮动；（使）漂浮 v.
8、 float9. 乘；增加 v. multiply 10. 氧 n. oxygen 11. 宇宙飞船 n. spaceship 12. lessen vi. &vt. 减少；减轻II. 短语1. 挡住（光线）block out 2. 感到高兴；感到振奋 cheer up3. 既然 now that 4. 突发；爆发 break out 5. 密切注视；当心；提防 watch out6. break up 分解，解体；打碎，拆散；解散，驱散（人群）；（集会等）结束；开始放假7. break down （谈判）失败；（机器）出故障，坏掉；（精神）崩溃，（身体）垮掉III. 句子1. But when I tried to step forward（朝前迈步）, I found I was carried twice as far as on the earth（地球上两倍的距离）and fell over.2. Walking does need a bit of practice (走路的确需要练一练) now that gravity has changed. 3