The discussion should reach beyond scientific societies because __________.
A. scientists have failed to predict the outcomes
B. the ties between different areas need strengthening
C. united efforts are necessary for the development of science
D. people need to work together to prevent the bad use of science
第1题:
[A] With
[B] To
[C] Among
[D] Beyond
第2题:
______ it rain tomorrow moring, the loading ______.
A.Should / will be postponed
B.If / shall be postponed
C.Should / would be postponed
D.If / has to be postponed
第3题:
第4题:
________ the vessel have no safety radiotelegraphy certificate at the time of her delivery,she ________ be held to be unseaworthy.
A.If/may
B.Will/shall
C.Should/would
D.Would/should
第5题:
第6题:
什么是REACH法规?