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【单选题】
Mike says he has some difficulty __________ learning Chinese.A.
at
B.
with
C.
on
D.
in
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举一反三
【单选题】Most people who like coffee _______ .
A.
drink it without milk or sugar
B.
get it at coffee bars
C.
drink instant coffee
【简答题】硅片在切割的过程中所造成的损伤层约 um 左右。
【简答题】Coffee has become the most popular drink in America. Today American people drink more coffee than people in any other countries. People drink coffee at breakfast, at lunch, at dinner and between meals...
【单选题】Most people in the mountains of Eduador drink a lot of coffee and alcohol, but they still live long.
A.
Right
B.
Wrong
【单选题】This passage can be most likely to be entitled
A.
The Birthplace of Coffee.
B.
The Effect of Coffee.
C.
The History of Coffee.
D.
The Popularity of Coffee.
【简答题】Coffee has become a popular drink in our culture. Most people have a coffee maker at home for guests who come to visit. It naturally contains caffeine (咖啡因), which people in today’s society have somew...
【单选题】关于氩气瓶的说法错误的是( )。
A.
在20°C以下，满瓶装氩气压力为15 MPa
B.
氩气瓶在使用中严禁敲击、碰撞
C.
瓶阀冻结时，可以用火烤
D.
瓶内气体不能用尽
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