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「Itisestimatedthat,currently,about50,000speciesbecome_____everyyear.」相关单选题
 更新时间:2024-04-16 12:38:08

1、【题目】It is estimated that ,currently, about 50,000 species become _____every year .

选项:

A.extinct

B.instinct

C.distinct

D.intense

答案:

A

解析:

暂无解析

1、【题目】Idon’tthinkyou'llchangehismind;oncehe’sdecidedonsosomethinghetendsto_____it.

选项:

A.stickto

B.abideby

C.complywith

D.keepon

答案:

解析:

1、【题目】有一 6X6 的方阵,它所含的每个小方格中可填入一个汉字,已有部分汉字填入。现要求该方阵中的每行每列均含有礼、乐、射、御、书、数 6 个汉字,不能重复也不能遗漏。根据上述要求,以下哪项是方阵底行 5 个空格中从左至右依次应填入的汉字 ?

选项:

A.数、礼、乐、射、御

B.乐、数、御、射、礼

C.数、礼、乐、御、射

D.乐、礼、射、数、御

E.数、御、乐、射、礼

答案:

A

解析:

暂无解析

1、【题目】Thedestructionofthetwintowers_________shockandangerthroughouttheworld.

选项:

A.summoned

B.tempted

C.provoked

D.stumbled

答案:

解析:

1、【题目】We aim to ensure that all candidates are treated fairly and that they have equal______to employment opportunities .

选项:

A.entrance

B.entry

C.access

D.admission

答案:

C

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】设圆 C 与圆 (x-5) 2+y2=2 ,关于 y=2x 时称,则圆 C 方程为 ( )

选项:

A.(x-3)2+(y-4)2=2

B.(x+4)2+(y-3)2=2

C.(x-3)2+(y+4)2=2

D.(x+3)2+(y+4)2=2

E.(x+3)2+(y-4)2=2

答案:

E

解析:

暂无解析

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】After his uncle died ,the young man _____the beautiful estate with which he changed from a poor man to a wealthy noble .

选项:

A.inhabited

B.inherited

C.inhibited

D.inhaled

答案:

B

解析:

暂无解析

1、【题目】In1991,whilet11eeconomiesofindustrializedcountriesmetaneconomic_____,theeconomiesofdevelopingcountriesweregrowingveryfast.

选项:

A.reviva

B.repression

C.recession

D.recovery

答案:

解析:

1、【题目】Weaimtoensurethatallcandidatesaretreatedfairlyandthattheyhaveequal______toemploymentopportunities.

选项:

A.entrance

B.entry

C.access

D.admission

答案:

解析:

1、【题目】Tom placed the bank notes ,_________the change and receipts ,back in the drawer .

选项:

A.morethan

B.butfor

C.thanksto

D.alongwith

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】John says that his present job does not provide him with enough ______for his organizing ability.

选项:

A.scope

B.space

C.capacity

D.range

答案:

A

解析:

暂无解析

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