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【判断题】
斜投影和正投影都属于中心投影。A.
正确
B.
错误
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反馈参考答案：
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 would be much more convenient to have our own car? —___________,but we don’t have enough money.
A.
I couldn’t agree more
B.
I’m afraid not
C.
I believe not
D.
I don’t think so
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