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【单选题】
退火的温度:高于使用温度(),低于相变温度()。
A.
0~10℃  0~10℃
B.
10~20℃  10~20℃
C.
20~30℃   20~30℃
D.
30~40℃   30~40℃
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参考答案:
举一反三
【多选题】Another way to express "One moment, please" is ( ).
A.
Wait a moment,please.
B.
Wait a minute,please
C.
Just a moment,please.
D.
Just a minute, please.
【判断题】Z4~85.埋阻焊的农口形式与焊条电弧焊基本相同,但由于垣狐焊的特点,应采用纹厚的钝边。
A.
正确
B.
错误
【单选题】Attention please , everybody! Please keep ______ for a moment . And let me take a photo .
A.
calm
B.
still
C.
silent
D.
quiet
【单选题】“前进向上,强制切土”是 ( ) 挖土机的工作特点。
A.
正铲
B.
反铲
C.
拉铲
D.
抓铲
【单选题】Attention, please, every one! Please keep ____ for a moment while I take your photograph.
A.
still
B.
silent
C.
calm
D.
quiet
【判断题】埋阻焊的农口形式与焊条电弧焊基本相同,但由于垣狐焊的特点,应采用纹厚的钝边。
A.
正确
B.
错误
【简答题】Attention please, everybody! Please keep ____for a moment. And let me take a photo. (silent)
【单选题】—Excuse me. When does Flight CZ3391 take off? —One moment, please. I'll _____ it _____. [     ]
A.
look; up
B.
take; away
C.
give; back
D.
turn; down
【单选题】----Can I take your______,Sir? ----Please wait for a moment.
A.
seat
B.
order
C.
menu
D.
food
【单选题】A moment, please! Let me take down what you’ve said     I forget.
A.
before
B.
when
C.
until
D.
after
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