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【单选题】
超滤的操作压力一般为（）A.
0.1～0.6MPa
B.
0.6～1.0MPa
C.
1.0～1.5MPa
D.
1.5～2.0MPa
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【单选题】赵某于2017年6月12日与甲公司签订劳动合同，约定试用期1个月。6月15日赵某到甲公司上班。赵某与甲公司建立劳动关系的时间是（ ）。
A.
2017年6月15日
B.
2017年6月12日
C.
2017年7月15日
D.
2017年7月12日
【简答题】“I Went Skydiving at 84!” As a young girl growing up in the 1930s, I always wanted to fly a plane, but back then it was almost unheard of for a woman to do that. I got a taste of that dream in 2001,wh...
【简答题】When Millie got up this morning. she found it was a beautiful spring day. She saw some in the sky，but she didn’t think about them．She woke up her dog，Eddie，and put him in the ．Then she drove out into ...
【简答题】“I Went Skydiving at 84!” As a young girl growing up in the 1930s, I always wanted to fly a plane, but back then it was almost unheard of a woman to do that. I got a taste of that dream in 2011,when m...
【单选题】Please sweep up all the glass______before anyone steps on them.
A.
chunks
B.
chips
C.
frames
D.
bulks
【单选题】听力原文： It seems so natural to put up an umbrella to keep the water off when it rains. But actually the umbrella was not invented as protection against rain, its first use was as a shade against the sun...
A.
In ancient China.
B.
In ancient Egypt.
C.
In ancient Greece.
D.
In ancient Rome.
【单选题】— Mary looks down today. What's up? — Well, __________ happened between May and It is none of your business. [ ]
A.
anything
B.
no matter what
C.
whatever
D.
everything
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