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【单选题】
DNA浓度测定时,OD260/OD280小于1.8,说明DNA样品( )
A.
较纯
B.
有蛋白质杂质
C.
有乙醇杂质
D.
有RNA杂质
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参考答案：
举一反三
【单选题】Later, the small workshop ______ a world-famous company.
A.
develops
B.
develops into
C.
developed
D.
developed into
查看完整题目与答案
【单选题】Which one of the following terms is used to describe a loan that calls for periodic interest payments and a lump sum principal payment?
A.
amortized loan
B.
modified loan
C.
balloon loan
D.
pure discount loan
E.
interest-only loan
查看完整题目与答案
【简答题】A．Take the computer to a small company. B．Call computer company a visit. C．Ask help from the company suggested by the woman. D．Switch off his computer.
查看完整题目与答案
【判断题】重点单位的选择是客观的,典型单位的选择是主观的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】It is necessary that those computer-controlled motors to generate force feedback be made as small as possible because they have to be put on the user's body.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
A.
millions
B.
million
C.
million of
D.
millions of
查看完整题目与答案
【单选题】（ ）are small pictures that represent such items sa a computer program or document.
A.
Menus
B.
Icons
C.
Hyperlinks
D.
Dialog Boxes
查看完整题目与答案
【单选题】All the information can ______ in this small computer.
A.
store
B.
be storing
C.
be stored
查看完整题目与答案
【单选题】Which one of the following terms is used to describe a loan that calls for periodic interest payments and a lump sum principal payment?
A.
amortized loan
B.
modified loan
C.
balloon loan
D.
interest-only loan
查看完整题目与答案
【判断题】重点单位的选择是客观的，典型单位的选择是主观的。(    )
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Later, the small workshop ______ a world-famous company.
A.
develops
B.
develops into
C.
developed
D.
developed into
查看完整题目与答案
【单选题】Which one of the following terms is used to describe a loan that calls for periodic interest payments and a lump sum principal payment?
A.
amortized loan
B.
modified loan
C.
balloon loan
D.
pure discount loan
E.
interest-only loan
查看完整题目与答案
【简答题】A．Take the computer to a small company. B．Call computer company a visit. C．Ask help from the company suggested by the woman. D．Switch off his computer.
查看完整题目与答案
【判断题】重点单位的选择是客观的,典型单位的选择是主观的。
A.
正确
B.
错误
查看完整题目与答案
【判断题】It is necessary that those computer-controlled motors to generate force feedback be made as small as possible because they have to be put on the user's body.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
A.
millions
B.
million
C.
million of
D.
millions of
查看完整题目与答案
【单选题】（ ）are small pictures that represent such items sa a computer program or document.
A.
Menus
B.
Icons
C.
Hyperlinks
D.
Dialog Boxes
查看完整题目与答案
【单选题】All the information can ______ in this small computer.
A.
store
B.
be storing
C.
be stored
查看完整题目与答案
【单选题】Which one of the following terms is used to describe a loan that calls for periodic interest payments and a lump sum principal payment?
A.
amortized loan
B.
modified loan
C.
balloon loan
D.
interest-only loan
查看完整题目与答案
【判断题】重点单位的选择是客观的，典型单位的选择是主观的。(    )
A.
正确
B.
错误
查看完整题目与答案
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