1.15 The ________ stuck on the envelope says “By Air”.

1.15 The ________ stuck on the envelope says “By Air”.
A.diagram
B.label
C.signal
D.mark
2.9.Their products are frequently overpriced and ______ in quality.
A.influential
B.inferior
C.superior
D.subordinate
3.18.He soon received promotion,for his superiors realized that he was a man of considerable
A.ability
B.future
C.possibility
D.opportunity
4.7 All flights ________ because of the terrible weather,they had to go there by train.
A.having been canceled
B.had been canceled
C.having canceled
D.were canceled
5.1 By the time you get to New York,I ________ for London.
A.would be leaving
B.am leaving
C.have already left
D.shall have left
6.11.You would be ______ a risk to let your child go to school by himself.
A.omitting
B.attaching
C.affording
D.running
7.13.Many people like white color as it is a ______ of purity.
A.symbol
B.sign
C.signal
D.symptom
8.20.During the process,great care has to be taken to protect the ______ silk from damage.
A.sensitive
B.tender
C.delicate
D.sensible
9.7 Many a delegate was in favor of his proposal that a special committee ________ to investigate the incident.
A.were set up
B.was set up
C.be set up
D.set up
10.4 The mother didn’t know who ________ for the broken glass.
A.blamed
B.be blamed
C.to blame
D.would blame
11.9 Eye contact is important because wrong contact may create a communication ________.
A.tragedy
B.vacuum
C.question
D.barrier
12.17.Investigators agreed that passengers on the airliner ______ at the very moment of the crash.
A.should have died
B.must be dying
C.must have died
D.ought to die
13.15 Although a teenager,Fred could resist ______ what to do and what not to do.
A.being told
B.telling
C.to be told
D.to tell
14.8 The author of the report is well ________ with the problems in the hospital because he has been working there for many years.
A.informed
B.acquainted
C.enlightened
D.acknowledged
15.7.The owner and editor of the newspaper ______ the conference.
A.were attending
B.were to attend
C.is to attend
D.are to attend
16.10 There was such a long line at the exhibition _____ we had to wait for about half an hour.
A.as
B.that
C.so
D.hence
17.2 The football game comes to you ________ from New York.
A.lively
B.alive
C.live
D.D) living
18.6 There was a big hole in the road which ________ the traffic.
A.set back
B.stood back
C.held up
D.kept down
19.3 The lawyer advised him to drop the ________,since he stands little chance to win.
A.event
B.incident
C.case
D.affair
20.20 The statistical figures in that report are not ________.You should not refer to them.
A.accurate
B.fixed
C.delicate
D.rigid

小家伙没礼貌,给你做了,下次要自己做了拿来大家给你看,作业还是要自己做的,别偷懒.
没解释的就是很简单,需要你自己去查字典的.
1．B．重点是stuck:粘贴.
2．B．
3．A
4．A．注意前半句是因果状语
5.D.注意by
6.D run a risk 冒着风险
7．A symbol 标志 sign标牌,迹象 symptom 征兆（指总是伴随着某物出现因为被当作某物出现的征兆,比如：你翘翘屁股总是拉屎,所以翘屁股是你拉屎的征兆.我好三俗哈哈）
8．C． tender做柔嫩柔软娇嫩讲的时候,指容易受伤的（生理或心理的）,如tender heart,tender bud.
9．C．proposal
10．C whom should be blamed for=who(m) to blame for,与what to do=what should be done类似
11．D
12．C
13．A
14．B． be informed of
15.C.单数 业主兼编辑的意思 the+身份+身份：指兼有两种身份的某人
16．B such…that
17．B 直播的意思
18．C
19.C
20.A
再问： 17题是C 呵呵 不是我不懂礼貌 这组题 我做了几遍 就错18题上了 呵呵
再答： 好吧 我收回哈哈 这些题是要小心注意才行