—What's Mother doing?—______the potatoes

题型:选择题

问题:

—What's Mother doing?
—______ the potatoes.

A. Cut up
B. Peel
C. Cutting on
D. Peeling
考点:现在进行时
题型:选择题

测定小麦杂质时,规定的筛层的孔径为()。

A、1.5mm

B、2.0mm

C、3.0mm

D、5.0mm

题型:选择题

In order to build the Three Gorges Dam, a lot of local people have to_______ from their hometown.

A.keep

B.separate

C.remove

D.replace

题型:选择题

CA1091型汽车的30A保险是(),其特点是电流超过规定值时()。

题型:选择题

判断变压器油质的主要技术指标有哪些?

题型:选择题

连铸与模铸相比,连铸的优点有哪些?

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