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【单选题】
由原子无规则的热运动所产生的谱线变宽称为[填空(1)]。A.
多普勒变宽
B.
赫鲁兹马克变宽
C.
劳伦茨变宽
D.
自然变度
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皮皮学刷刷变学霸
举一反三
【单选题】It can be inferred from the passage that people's views on beauty are often______.
A.
practical
B.
supportive
C.
old-fashioned
D.
one-sided
【单选题】O'Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.
A.
sweated
B.
to be sweated
C.
sweating
D.
being sweated
【单选题】( )(改编)Stephen often practices English________ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
【单选题】Stephen: I want to send this package parcel post, registered. Clerk: ______ ? Stephen: Yes, please, for sixty dollars.
A.
Do you want it guaranteed
B.
Do you want it insured
C.
Do you want it preserved
D.
Do you want it ensured
【单选题】下面关于使用框架的弊端和作用说法错误的是()。
A.
在低版本的IE浏览器中不支持框架
B.
增强网页的导航功能
C.
整个浏览空间变小，让人感觉缩手缩脚
D.
容易在每个框架中产生滚动条，给浏览造成不便
【单选题】We should often practi c e _________ English with each other.
A.
to speak
B.
spoke
C.
speak
D.
speaking
【单选题】下面关于使用框架的弊端和作用的说法,错误的是()。
A.
增强网页的导航功能
B.
低版本的 IE 浏览器（如 IE3.0 ）中不支持框架
C.
整个浏览空间变小，让人感觉缩手缩脚
D.
容易在每个框架中产生滚动条，给浏览造成不便
【单选题】(改编题)Stephen often practices English________ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
【单选题】下面关于使用框架的弊端和作用说法错误的是什么：（）。
A.
增强网页导航功能
B.
在低版本的IE浏览器（如IE3.0）中不支持框架
C.
整个浏览空间变小，让人感觉缩手缩脚
D.
容易在每个框架中产生滚动条，给浏览造成不便
【单选题】Stephen often practices English_____ chatting with his American friend.
A.
in
B.
by
C.
for
D.
with
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