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【单选题】
列车运行时的阻力由列车运行的( )组成。A.
基本阻力和曲线阻力
B.
基本阻力和附加阻力
C.
附加阻力和机械阻力
D.
坡道阻力和空气阻力
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举一反三
【单选题】我们在电子表格中使用的求算术平均值、求和、统计个数、求最大值的函数依次是( )。 1AVERAGE 2MAX 3COUNT 4SUM
A.
①②③④
B.
②③④①
C.
①④③②
D.
③④①②
【单选题】—I will come to attend your lecture at : tomorrow—I' m sorry, by then my lecture will have ended and I______my guests in my office.
A.
is being met
B.
will meet
C.
will be meeting
D.
will have met
【简答题】试述胆汁的产生及排出途径 。
【简答题】试述胆汁的产生、贮存及排出途径。
【简答题】试述在进食与非进食的情况下，胆汁的产生及排出途径。
【单选题】I doubt if I will come to listen to his speech next time. It couldn't have been ______ in fact.
A.
any worse
B.
so bad
C.
any better
D.
so good
【简答题】试述胆汁的产生及其排出途径。
【单选题】I doubt whether I will come to his speech next time. It couldn’t have been ________ in fact.
A.
any more
B.
so bad
C.
any better
D.
the best
【单选题】— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I _____ in my office.
A.
am working
B.
will work
C.
will be working
D.
will have worked
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