选修7 unit 4 Sharing
1．These natural parks are important for preserving animals, which would______risk dying out.
A. merely B. rather
C. otherwise
D. moreover
解析：otherwise否则，其他方面。句意：这些天然公园对保护动物很重要，否则这些动物会有灭绝的危险。
答案：C
2．If most bread-winners______a day’s pay to the Hope Project，then it will be hopeful.
A．gift
B．donate
C．present
D．give
解析：句意：如果大多数挣工资的人把一天的所得捐献给希望工程的话，那希望工程就有希望了。donate“捐献”；present“(作为礼物)赠送”；give“给予”；gift为名词“礼物”。
答案：B
4．Ronny’s steps______，and there was a moment of absolute silence.
A．died back
B．died away
C．died off
D．died out
解析：考查短语的意思。die away意思为“(风、声音)渐息，渐弱”；die off意为“相继死亡，种群突然急剧的衰减”；die out意为“完全的灭亡，灭绝”。
答案：B
5．The criminal，as well as some______people，was arrested by the police yesterday.
A．relevant
B．skilled
C．released
D．lucky解析：relevant相关的。句意：那个罪犯，连同一些相关的人昨天被警方逮捕了。答案：A
6．The doctor said that the patient had______at once.
A．to operate
B．to be operated
C．operated
D．to be operated on
解析：operate作“动手术”讲时，是不及物动词，所以表示“给某人动手术”用短语operate on sb.，用被动语态时介词on应该保留。
答案：D
7．The secretary should have all the______documents ready before the meeting begins.
A．concerning
B．respecting
C．relevant
D．regarding
解析：relevant“有关的”。句意：秘书应该在会议开始之前把所有相关文件准备好。答案：C
8．What skills are needed to______this machine?
A．manage
B．operate
C．operate on
D．manage with
解析：operate a machine操作机器。
答案：B
10．Ladies and gentlemen，I have the great privilege______introducing our speaker for tonight.
A．inB．ofC．aboutD．on
解析：have the privilege of doing很荣幸地做某事。句意：女士们、先生们，我很荣幸地向大家介绍今晚的发言人。答案：B
11．Many Chinese universities provide scholarships for students______financial aid.
A．in favour of
B．in honour of
C．in face of
D．in need of
解析：句意：很多中国大学为需要经济资助的大学生提供奖学金。in favour of赞同，支持，有利于；in honour of向……表示敬意；in face of面临；in need of需要。
答案：D
12．Everyone in the class is expected to ______ these discussions.
A．participate
B．participate inC．take part
D．join
解析：考查动词(词组)辨析。participate为不及物动词，若跟宾语，则需要加介词in。此处participate in＝take part in＝join in。
答案：B
15．—Are you sure Nick will help us if we are in trouble?
—______.He is a reliable friend.
A．It doesn’t matter
B．Don’t take it to heart
C． You can count on him
D．No problem
解析：考查交际用语。根据答语的第二句“他是个可靠的朋友”可判断，前句是“你可以信任他”。因此应选C项。It doesn’t matter“没关系”，用来回答别人的道歉；No problem“不麻烦，没什么，没事儿”，用来回答别人的致谢、道歉或表示同意别人的某种请求。
答案：C