1、【题目】Successful learning is not a(n)________activity but consists of four distinct stages in a specific order
选项:
A.only
B.sole
C.mere
D.single
答案:
C
解析:
暂无解析
1、【题目】Allherhardwork__________intheend,andshefinallypassedtheexam.
选项:
A.showedoff
B.paidoff
C.1eftoff
D.keptoff
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】The interactions between China and the US will surely have a significant_______on. peace and stability in the Asia .—Pacific region and the world as a whole.
选项:
A.importance
B.impression
C.impact
D.implication
答案:
C
解析:
暂无解析
1、【题目】In 1991,while t11e economies of industrialized countries met an economic_____,the economies of developing countries were growing very fast .
选项:
A.reviva
B.repression
C.recession
D.recovery
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】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