2020-2021学年高中英语(北师大版)必修5随堂演练：14-4.docx

随堂演练
即时体验　巩固提升
Ⅰ.完成句子
1．This species of bird ________________ (数量在削减) every year.
答案　are decreasing in numbers
2．The wheat production has ________________ (削减了30%) this year compared with last year's.
答案　decreased by 30%
3．The number of students in each class ________________ (在削减)．
答案　is on the decrease
4．________________， you'll need to be at the station by nine.
无论如何你都要在9点钟前赶到车站。
答案　In any case
5．________________， call 119.
万一有紧急事故，请打119。
答案　In case of emergency
6．________________ until he has recovered from his illness.
病人要痊愈才能起床。
答案　In no case should the patient be allowed to get up
7．Poverty depresses most people; ________________， it was otherwise.
贫困使多数人懊丧，但就我父亲来说，状况却不一样。
答案　in the case of my father
8．You are leaving? ________________， I'm leaving too.
你要走了？假如是的话，那我也要走了。
答案　In that case
Ⅱ.对比填空
1.
①The workers want to ________ the number of working hours and increase pay.
②She greatly ________ the speed of the ship, for there was danger if travelled too quickly.
答案　①decrease　②reduced
2.
①I'll never understand how it ________ that you were late three times a week.
②Great changes have ________ in our country during the past thirty years.
③I _ to see him on my way to school.
④Two world wars ________ last century.
答案　①came about　②taken place　③happened　④broke out
3.
①He was ________ of his friend's reputation.
②His new car is the ________ of his friends.
①jealous　②envy
4.
①I don't like her ________.
②Don't blame him for breaking the vase; ________ he is a child.
③He is strong, brave and, ________， honest.
④________， let me tell you the good news.
答案　①at all　②after all 　③above all 　④First of all
Ⅲ.单项填空
1．It is very important for a company to ________ the development of the market.
A. keep back B. keep on
C. keep away from D. keep up with
答案与解析　D　句意：对于一个公司来说，跟上市场的进展变化格外重要。keep up with“跟上；赶上”，符合句意。keep back“留下；阻挡”； keep on“连续”； keep away from“远离”。
2．During the eight­day march across the desert our supply of water ________ rapidly.
A. refused B. defined
C. decreased D. rose
答案与解析　C　句意：在八天横跨沙漠的行军期间，我们的水供应快速削减。decrease“削减；降低”，符合句意。refuse“拒绝”；define“下定义”； rise“上升”。
3．— Don't you know your computer has been infected with viruses?
— Really, no wonder it hasn't ________ as well as before.
A. appeared B. operated
C. managed D. controlled
答案与解析　B　operate侧重指机器的运行、人对机器的操作等。appear“显得；看起来”； manage“设法做成”； control“把握”。
4．No one has yet ________ to our complaints, so I will write a letter to the newspaper.
A. answered B. settled
C. solved D. responded
答案与解析　D　句意：还没有人对我们的投诉作出回复，所以我将给报社写封信。respond“回复”，后接宾语时，常与介词to连用。answer作“答复”讲是及物动词； settle和solve也是及物动词。
5．The Smiths bought a new house, which was the ________ of their neighbours.
A. envy B. admire
C. respect D. pride
答案与解析　A　句意：史密斯一家买了一套新居子，这令邻居们格外艳羡。the envy of是习语，表示“令人忌妒或艳羡的对象”，符合句意。admire“鄙视”； respect“敬重”； pride“骄傲”。
6．Sorry to ________ you, but can you spare me a moment to settle the problem for me?
A．excuse B．ask
C．bother D．apologize
答案与解析　C　bother“打搅”，侧重指因做某事而操劳、苦恼。excuse“原谅”； ask“问；问问题”； apologize“赔礼”。
7．The boy immediately got into a ________ when he found himself trapped in the fire.
A. danger B. debt
C. habit D. panic
答案与解析　D　句意：当这个男孩发觉自己被困在火中时，他马上陷入慌张中。get into a panic“陷入慌张的状态”，符合句意。get into danger“陷入危急之中”； get into debt“负债”； get into a habit of“养成……习惯”。
8．________ is now no ________ that global warming is a security threat to us all.
A. There; doubt B. There; need
C. It; doubt D. It; need
答案与解析　A　句意：毋庸置疑，全球变暖对我们全部人的平安来说是一个威逼。There is no doubt that ...“毫无疑问……”，为固定搭配，符合句意。There is no need to do“做某事是没有必要的”。