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【单选题】
What is one of the man's symptoms?A.
Some discharge in his ears.
B.
A little pain in his ears.
C.
He can't hear well.
D.
Both A and
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举一反三
【简答题】狗狗扑人的基本处理原则是()
【单选题】根据色谱原理不同,色谱法主要有:
A.
硅胶和氧化铝色谱
B.
聚酰胺和硅胶色谱
C.
分配色谱、吸附色谱、离子交换色谱、凝胶过滤色谱
D.
薄层和柱色谱
E.
正相和反相色谱
【单选题】根据色谱原理不同,色谱法主要有
A.
硅胶、氧化铝和纸色谱
B.
硅胶、氧化铝和聚酰胺色谱
C.
正相色谱和反相色谱
D.
薄层色谱和柱色谱
E.
分配色谱、吸附色谱、离子交换色谱、凝胶滤过色谱
【单选题】– What do you think of my sofa? -- Well, great! But don’t you think it will _____________ too much space?
A.
take in
B.
take on
C.
take up
D.
take off
【单选题】– We’ll spend the vacation in Hawaii. Don’t you think it is a wonderful idea? -- ___ I have waited for it for a whole year. Now my dream has come true.
A.
I don’t think so
B.
No, it isn’t.
C.
How wonderful!
D.
Just so-so
【单选题】–Don’t you think it a very nice motorbike? --Yes, but would you please ____ it on my lawn?
A.
not to park
B.
not parking
C.
not park
D.
to not park
【单选题】Don’t you think it is time you__________ smoking?
A.
give up
B.
gave up
C.
would give up
D.
should give up
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