1、【题目】His wife has been _______a lot of pressure on him to change his job.
选项:
A.taking
B.exerting
C.giving
D.pushing
答案:
B
解析:
暂无解析
1、【题目】设数列 {an} 的前 n 项和为 Sn,则 {an} 等差。
(1) S n4=n 2+2n, n=1,2,3
(2) S n4=n 2+ 2n +1,n=1,2,3
选项:
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来也不充分.
答案:
A
解析:
等差数列的前n项和公式为Sn=An2+Bn,A、B为全体实数,因此条件(1)充分,条件(2)不充分,选A。
1、【题目】Weaimtoensurethatallcandidatesaretreatedfairlyandthattheyhaveequal______toemploymentopportunities.
选项:
A.entrance
B.entry
C.access
D.admission
答案:
解析:
1、【题目】All her hard work __________in the end ,and she finally passed the exam .
选项:
A.showedoff
B.paidoff
C.1eftoff
D.keptoff
答案:
B
解析:
暂无解析
1、【题目】Itisestimatedthat,currently,about50,000speciesbecome_____everyyear.
选项:
A.extinct
B.instinct
C.distinct
D.intense
答案:
解析:
1、【题目】The manager is calling on a______ customer trying to talk him into signing the contract .
选项:
A.prosperous
B.preliminary
C.pessimistic
D.prospective
答案:
D
解析:
暂无解析
1、【题目】Tomplacedthebanknotes,_________thechangeandreceipts,backinthedrawer.
选项:
A.morethan
B.butfor
C.thanksto
D.alongwith
答案:
解析:
1、【题目】About 20 of the passengers who were injured in a plane crash are said to be in_____condition .
选项:
A.decisive
B.urgent
C.vita
D.critical
答案:
D
解析:
暂无解析
1、【题目】Inordertolivethekindoflifewewantandtobethepersonwewanttobe,wehavetodomorethanjust________withevents.
选项:
A.putsup
B.setup
C.turnup
D.makeup
答案:
解析:
1、【题目】Theteamplayedhardbecausethechampionshipofthestatewas______.
选项:
A.athand
B.atstake
C.atlarge
D.atbest
答案:
解析:
1、【题目】Idon’tthinkyou'llchangehismind;oncehe’sdecidedonsosomethinghetendsto_____it.
选项:
A.stickto
B.abideby
C.complywith
D.keepon
答案:
解析: