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【判断题】
力的分力是矢量,力的投影是代数量。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】In the last sentence of the second paragraph, 'they' refers to______.
A.
the researchers
B.
the collisions
C.
the simulations
D.
the impactors
【简答题】When going back home, the author felt all the following EXCEPT __________． [A] desperate [B] indignant [C] sorrowful [D] disappointed
【单选题】The author had trouble operating his VCR because______.
A.
he had neglected the importance of using the timer
B.
the machine had far more technical features than necessary
C.
he had set about using it without proper training
D.
its operation was far more difficult than the designer intended it to be
【单选题】全国人大的主要职权包括
A.
修宪与立法权
B.
选举权
C.
决定权
D.
罢免权
E.
接受辞职权利
F.
重大事项决定权
G.
abc
H.
bcd
I.
abcde
J.
abcdef
【单选题】On the evening the author fell over, someone______.
A.
had moved his card index
B.
had been playing card games
C.
had knocked over his boxes containing cards
D.
had looked at his collection of diamonds
【单选题】In the 6th sentence of the 2nd paragraph, the word 'This' refers to______.
A.
the decrease of the oil industry
B.
the increase of measures taken
C.
the government's assumption
D.
the level of sulphur dioxide
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