What did the scientists do to find out if the e-nose worked?A. They presented it with all common crops..B. They fixed 13 sensors inside the device.C. They collected different damaged leaves.D. They made tests on damaged and healthy leaves.

题目

What did the scientists do to find out if the e-nose worked?

A. They presented it with all common crops..

B. They fixed 13 sensors inside the device.

C. They collected different damaged leaves.

D. They made tests on damaged and healthy leaves.


相似考题
参考答案和解析
正确答案:D
更多“What did the scientists do to find out if the e-nose worked?A. They presented it with ”相关问题
  • 第1题:

    Do () he or she tell you ().

    A、what, to do

    B、what, to do it

    C、which, 不填

    D、that, 不填


    参考答案:A

  • 第2题:

    What _______ the police looking for?

    A. is

    B. are

    C. will

    D. did


    正确答案:B

  • 第3题:

    What ______ you do this Sunday if it ______?

    A. do, will rain
    B. will, rain
    C. do, rains
    D. will, rains

    答案:D
    解析:
    根据this Sunday知道主句用一般将来时,而if引导的从句用一般现在时表将来,所以答案选D。

  • 第4题:

    What ________ the notice________?

    A. is, say

    B. is, said

    C. did, say

    D. does, say


    参考答案:D

  • 第5题:

    What( )wrong with you

    A.is

    B.are

    C.have

    D.did


    正确答案:A

  • 第6题:

    You look() What()you()?

    Atire;did;do

    Btiring;have;done

    Ctired;do;do

    Dtired;have;been doing


    D