【名词&注释】
自然保护区(nature reserve)、直流电动机(dc motor)、西双版纳、热带丛林(jungle)、当地政府(local government)、可数名词(countable nouns)、重点保护动物(emphasized protective animal)、近些年来(the past few years)、野生亚洲象、越来越(more and more)
[单选题]在对直流电动机模型的调试过程中，为了改变电动机线圈的转动方向，可采取的措施是： （ ）。
A. 同时改变电流方向和磁场方向
B. 改变电流的大小
C. 只改变电流方向或只改变磁场方向
D. 改变磁场的强弱
查看答案&解析
举一反三：
[单选题]（ ）
A. do
B. doing
C. to do
D. did
[单选题]野象是我国濒危的国家一级重点保护动物(emphasized protective animal)。西双版纳是我国野生亚洲象最主要的生存家园，千百年来野象在这里与人类和谐共处。然而，近些年来(the past few years)，野象越来越(more and more)频繁地走出热带丛林，采食庄稼甚至袭击人类。面对这些问题，下列认识和方法可取的是①野象是人类的天敌，我们必须毁灭它
A. ②建议当地政府既要保护野象，也要尽力缓解人象冲突
B. ③建立自然保护区，改善野象的生存坏境
C. ④把野象驱赶到国境之外，使我国群众免受损失
D. ⑤坚决保护野象，因为保护物种就是保护人类自己
E. ①④
F. ②③
G. ②③⑤
H. ②③④⑤
[单选题]15．
A. little
B. alittle
C. few
D. afew
[单选题]Dear Mary，How are you and your parents? Did you ( 11) a good time last weekend? We had a day ( 12) from school this week． But I had a(n) ( 13) day．
A. So I ( 15) to stay at home and help my mum do house- work． Then I went to the Gift Shop and bought ( 16) gifts． After that，l read a boring book and watched TV about Super Voice Girls． After lunch，my parents wanted to go ( 17) a drive，so I went with them．However，that wasn’t interesting，( 18)．In the evening，my best friend ( 19) me to watch-an interesting movie ( 20 ) sharks．
B. Please write to me soon!
C. Yours,
D. Lily
F. enjoy ．
G. spend
H. have '
I. had
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