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【单选题】
关于势函数和流函数，下面说法是错的?()A.
当流动为平面势流时，势函数和流函数均满足拉普拉斯方程
B.
当知道势函数或流函数时，就可以求出相应的速度分量
C.
流函数存在的条件是：满足可压缩流体平面流动的连续性方程
D.
流函数的等值线(流线)垂直于由势函数等值线组成的等势面
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举一反三
【单选题】We've just moved in to a bigger house and there's lot to do. Let's ______ it.
A.
keep up with
B.
do away with
C.
get down to
D.
look forward to
【简答题】汉译英：“外汇；外币；货币”，正确的翻译为（ ）。
【单选题】We are doing much better _____English ______our teacher’s help.
A.
in; at
B.
at; in
C.
in; with
D.
with; with
【单选题】汉译英：“外汇；外币；货币”，正确的翻译为（ ）。
A.
CurrenCy；foreign CurrenCy；foreign exChange
B.
foreign CurrenCy；CurrenCy；foreign exChange
C.
foreign CurrenCy；foreign exChange；CurrenCy
D.
foreign exChange；foreign CurrenCy；CurrenCy
【简答题】In 1, retail sales of ice cream in the U.S. topped ___________.
【单选题】-Oh, it’s already a quarter past six. What shall we do at the meeting this evening? -We’ll go on with the matter________ this afternoon.
A.
be discussed
B.
being discussing
C.
discussed
D.
which discussed
【单选题】After drinking _____ each other's health, we began to dance _____ the music. [ ]
A.
to; to
B.
for; with
C.
for; for
D.
to; with
【简答题】汉译英:汇出汇款
【简答题】---When shall we meet again next week? ---_____day is possible．It's no problem with me.
【简答题】词汇翻译(汉译英)退出电脑
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