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【单选题】
- Do you know how many students took part in the sports meet? -About 400 ________. [     ]
A.
in advance
B.
after all
C.
in total
D.
at all
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【单选题】热沉淀法检测本周蛋白
A.
加热 90℃时出现沉淀
B.
可检出血中游离的免疫球蛋白轻链
C.
方法简便易行,敏感度高
D.
能对轻链做出定量分析
E.
不能确定轻链的型别
【单选题】发射卫星去探测宇宙背景辐射的最直接的原因是()。
A.
彰显国力
B.
太空竞赛
C.
实验火箭的运载能力
D.
地球大气把众多电磁波段都屏蔽掉了
【单选题】下列( )哪种构造是识别变质岩的重要特征。
A.
层理构造
B.
片理构造
C.
流纹状构造
D.
杏仁状构造
【单选题】The car was in good working ______ when I bought it a few months ago.
A.
order
B.
form
C.
state
D.
circumstance
【单选题】I bought a dress for only 20 dollars in a sale; it was really a good ______.
A.
advantage
B.
advertisement
C.
market
D.
bargain
【单选题】— What do you think of this novel? — _________
A.
I’ve read it.
B.
It’s very good.
C.
I bought it yesterday.
【单选题】发射卫星去探测宇宙背景辐射的最直接的原因是()。
A.
彰显国力
B.
太空竞赛
C.
试验火箭的运载能力
D.
地球大气把众多电磁波段都屏蔽掉了
【单选题】听力原文:W: Has your brother bought this book yet? M: He bought a history book,but the English textbook was sold out. Q: Which book has the man's brother got? (5)
A.
An English textbook.
B.
A Chinese textbook.
C.
A chemistry book.
D.
A history book.
【单选题】I have bought a good book, _____ that will surely interest _____ of the students. [     ]
A.
one; everyone
B.
the one; everyone
C.
one; every one
D.
the one; every one
【多选题】热沉淀法检测本周蛋白
A.
加热90℃时沉淀溶解
B.
可检出血中游离的免疫球蛋白轻链
C.
方法简便易行,敏感度高
D.
能对轻链做出定量分析
E.
不能确定轻链的型别
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