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【判断题】
液压泵是液压系统中的动力元件
A.
正确
B.
错误
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举一反三
【简答题】引下线宜采用________或________,宜优先采用________。
【单选题】Do you know how to make a costume _________paper? [     ]
A.
for
B.
out
C.
out of D . as
【判断题】冷冻蛋黄解冻时的解冻温度也影响其解冻后的粘度,解冻温度高则蛋黄的粘度低、气泡力和乳化力下降,调制的蛋糕容积,质地硬。
A.
正确
B.
错误
【简答题】What do American students try to do in class? They try to ______ in working out problems by themselves.
【单选题】—I'd like to do somle volunteer work, but I'm not sure what I should do. —You ______ give out food at the food bank. [     ]
A.
should
B.
 must
C.
 could
D.
 need
【简答题】How do the Wertmans work out their problems?
【简答题】引下线宜采用()或(),宜优先采用()。
【简答题】引下线宜采用圆钢或扁钢,宜优先采用()。
【单选题】Do you know how to make a costume _____ paper? [     ]
A.
for
B.
out
C.
out of
D.
as
【单选题】Let us go out and play football, ? [     ]
A.
will you
B.
shall we
C.
do you
D.
do we