No one has yet succeeded in explaining the () of how life beganA. logicB. puzzleC. causeD. problem

题目
No one has yet succeeded in explaining the () of how life began

A. logic

B. puzzle

C. cause

D. problem

相似考题

1.下列语句中错误的是A．String s[]={"how","are"};B．byte b=255;C．String s="one"+"two";D．int i=2+2000;

2.He said that he ______ already _______ the English film.A. has; seenB. has; seeC. had; seen

3.He () some difficulty () the book into Japanese.A、is, to translateB、has, to translateC、is, in translatingD、has, in translating

4.[A] managed[B] achieved[C] succeeded[D] fulfilled

更多“No one has yet succeeded in explaining the () of how life began ”相关问题

  • 第1题：

    Whichfouraretrue?()

    A.Has-arelationshipsshouldneverbeencapsulated.

    B.Has-arelationshipsshouldbeimplementedusinginheritance.

    C.Has-arelationshipscanbeimplementedusinginstancevariables.

    D.Is-arelationshipscanbeimplementedusingtheextendskeyword.

    E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.

    F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.

    G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.


    参考答案：C, D, E, F

  • 第2题：

    下列语句中错误的是

    A．String S[]={"how"，"are"}；

    B．byte b=255；

    C．String s="one"+"two"；

    D．int i=2+2000；


    正确答案：B

  • 第3题：

    At first Mr. Harrison lost money on his investment,but finally it paid off.

    A:borrowed money
    B:survived
    C:was wealthy
    D:succeeded

    答案：D
    解析：
    本句意思：最初，哈里森先生在他的投资上赔了钱，但最后他成功了。pay off带来好结 果，成功，行得通。succeed成功；borrow money借钱；survive幸存；wealthy富有的。

  • 第4题：

    Hurry up! The concert __________ for ten minutes.

    A、has begun

    B、had begun

    C、has been on

    D、began


    正确答案：C

  • 第5题：

    A ___ (救生圈) should be located on the gangway.

    A.life-jacket

    B.life-raft

    C.life-buoy

    D.life-boat


    正确答案：C

  • 第6题：

    He picked a book from the bookshelf and then commenced to read.

    A: directed
    B: commented
    C: committed
    D: began

    答案：D
    解析：
    句意：他从书架上拿了一本书，然后开始读了起来。A. directed意为“指导”;B.commented意为“评论”; C. committed意为“犯罪”; D. began意为“开始”，题中commenced意为“着手”，与D意思相近，故选择D。

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