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【判断题】
互换装配法的实质是用控制零件加工误差来保证装配精度。
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】CC2530单片机的定时器1的计数模式有哪几种?
A.
自由运行模式
B.
模模式
C.
正计数 / 倒计数模式
D.
初值模式
【单选题】The price of the portable computers(手提电脑) is still so______that I can't afford to buy one.
A.
high
B.
low
C.
expensive
D.
dear
【判断题】国产柴油是根据凝点来划分牌号的。 ( )
A.
正确
B.
错误
【单选题】The camera is expensive I can't afford it.
A.
so: that
B.
such: that
C.
so: as to
D.
enough: that
【多选题】按照施工安全规定,从事脚手架搭设的人员应佩戴的防护用品包括( )。
A.
手套
B.
安全帽
C.
安全网
D.
防滑鞋
E.
安全带
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one.
B.
is too expensive.
C.
isn't expensive enough.
D.
isn't pretty.
【单选题】I can't afford ________ a house like that because I am poor.
A.
to buy
B.
buying
C.
buy
D.
have bought
【单选题】The price is so _______ that I can't afford it. [     ]
A.
expensive
B.
cheap
C.
high
D.
low
【单选题】That coat fits me, but I can't afford to buy ________. I have to choose ________ that is cheap enough for me.
A.
one; that
B.
that; it
C.
it; one
D.
it; the one
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one
B.
is too expensive
C.
isn't too expensive
D.
isn't pretty
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