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【单选题】
一般国际足球赛的比赛时间为
A.
90 分钟
B.
80分钟
C.
70 分钟
D.
60 分钟
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【单选题】亚音速喷管出口气流马赫数最大等于:
A.
1.85
B.
0.5
C.
1
D.
2
【单选题】He put his address on the packages so people would know _______ to go if they had questions.
A.
where
B.
what
C.
which
D.
that
【单选题】People would believe my story if  I __________ not so young. [     ]
A.
will be
B.
would be
C.
were
D.
had been
【单选题】During the dinner the Chinese people would propose toasts frequently so as to show their courtesy.
A.
Y
B.
N
C.
NG
【单选题】下列不在线粒体内进行的代谢途径是
A.
糖酵解途径
B.
柠檬酸循环
C.
电子传递
D.
脂酸β-氧化
【单选题】It was so cold that they had the fire _____ all night.
A.
to burn
B.
burn
C.
burning
D.
burned
【简答题】People _________ a new festival so that African Americans would be able to celebrate their history and culture. A:invented B:produced C:manufactured D:created
【简答题】请你写出五行生克的关系。
【单选题】下列不在线粒体内进行的代谢途径是
A.
三羧酸循环
B.
氧化磷酸化
C.
脂肪酸β-氧化
D.
糖酵解
【简答题】亚音速喷管出口气流马赫数最大等于