Which invention has generated difficult puzzles for scientists, politicians, and philosophers?A、Theory of RelativityB、the splitting of the atomC、the first space flightD、Dolly's appearance

题目

Which invention has generated difficult puzzles for scientists, politicians, and philosophers?

A、Theory of Relativity

B、the splitting of the atom

C、the first space flight

D、Dolly's appearance

相似考题

1.Linda is not interested in political ().A、issuesB、problemsC、questionsD、puzzles

2.Whichfouraretrue?()A.Has-arelationshipsshouldneverbeencapsulated.B.Has-arelationshipsshouldbeimplementedusinginheritance.C.Has-arelationshipscanbeimplementedusinginstancevariables.D.Is-arelationshipscanbeimplementedusingtheextendskeyword.E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.

3.Which Is__________ (difficult) ，part l or part 27

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

参考答案和解析
参考答案：ABCD
更多“Which invention has generated difficult puzzles for scientists, politicians, and philo ”相关问题

  • 第1题：

    Is English a compulsory subject in primary schools?

    A:necessary
    B:significant
    C:obligatory
    D:difficult

    答案：C
    解析：
    英语在小学是必修课吗？necessary“必要的”。significant“重要的”，如：a significant decision重要的决定。obligatory“必须的，强制性的”，如：Attendance at school is obligatory．必须到校。difficult“困难的”。

  • 第2题：

    We are facing both promising opportunities and grave challenges.

    A:hard
    B:brave
    C:severe
    D:difficult

    答案：C
    解析：
    我们既面临有希望的机遇，也面临严峻的挑战。hard“困难的”，如：This problem is so hard that it cannot be solved soon．这个问题非常困难，无法很快解决。brave“勇敢的”，如：Our brave soldiers fought day and night on the battlefield．我们勇敢的士兵日夜奋战在战场上。severe“严峻的”，如：This company is facing severe cash flow problems．该公司面临严峻的资金周转问题。difficult“困难的”，如：No matter how difficult it is, we shall overcome it．无论有多困难，我们都会克服的。只有severe意思上与grave最接近。

  • 第3题：

    Only a small minority of the audiences are liable to be late for the lecture.

    A:easy
    B:possible
    C:barely
    D:difficult

    答案：B
    解析：
    本句意思：“只有极少数的听众可能会听讲座迟到。” possible：可能的。例如：It is possible that it's going to be a fine day tomorrow．明天可能会是个大晴天。easy：容易的。例如：This is no easy job．这不是轻而易举的事。barely：仅仅、几乎不。例如：He could barely control himself on hearing the news．他在听到那个消息时几乎不能控制自己。difficult：困难的、艰难的。例如：To persuade her to accept the proposal is a difficult job．说服她接受这项提议非常困难。

  • 第4题：

    Compare this with what happens in the mass production of poultry:there are battery farms,for example,where thousands of chickens live crowded together in one building and are fed on food which is little better than rubbish.Chickens kept in this way are not only tastel ess asfood;they also（ ）eggs which lack important vitamins.

    A.produce
    B.manufacture
    C.generate
    D.raise

    答案：A
    解析：
    produce用途较广，侧重于制成品的数量，有生产，制造，产生，生（子女），出产等含义。句意：用这种方法喂的鸡吃起来不仅没味道，它们生出的蛋也缺乏重要的维生素。B.manufacture使用范围较窄，一般指用机器制造大量货物。如：manufacture cement,cookers制造水泥、炉具；C.generate一般指产生热、电、动力等。

  • 第5题：

    Oniy a small minority of the mentally ill are liable to harm themselves or others.

    A:easy
    B:possible
    C:likely
    D:difficult

    答案：C
    解析：
    本句意思：只有一小部分精神病患者可能会伤害自己或他人：liable：可能，有……倾向， 易于……的。likely可能（可用表示人的名词或代词作主语）;easy容易的，不费力的；possible可 能的（只可以用it作形式主语，不可以用人作主语）;difficult困难的。

  • 第6题：

    在Eviews软件操作中，预测是用（）命令。

    A．PLOT

    B．SCAT

    C．GENERATE

    D．FORECAST


    FORECAST

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