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【单选题】
激光一出现以后,就表现出许多与普通光()的特征,第一个特征是激光亮度高:第二个特征是方向性好第三个特征是激光有非常高的纯度。
A.
不同
B.
相同
C.
混合
D.
相对
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参考答案:
举一反三
【简答题】Write out the word according to their meanings in the right column. The first letters are already given. 1. i the early stage of growth or development 2. d give a definition for the meaning of a word ...
【单选题】My wages were so low that I had to take a second job just to ______.
A.
make end meet
B.
make meet end
C.
make ends meet
D.
make meets end
【简答题】Write out the word according to their meanings in the right column. The first letters are already given . 根据提示写出单词,单词的首字母已经给出。 1. a be grateful for 2. s be difficult to detect or grasp by the mind 3. ...
【单选题】According to the passage, people hold their view that the economy in the future will be
A.
promising.
B.
destructive.
C.
flat.
D.
satisfactory.
【单选题】According to the passage, artist astronomers spent their lives _________.
A.
exploring the planets
B.
studying geometry
C.
creating images of space
D.
producing rockets for space travel
【多选题】根据教育法的相关规定,下列关于学校对受教育者行使的权利有()。
A.
颁发毕业证书
B.
建立学籍电子档案
C.
授予学生“优秀学生”称号
D.
按规定收取费用并公开收费项目
【简答题】Write down the words according to their correspondin explainations 1. f_____ n. all the teachers of a university or college 2. s_____ v. to be enough 3. p_____ adj. showing the abilit...
【单选题】患者男 21岁,胸部刀剌伤,査体患者表情淡漠脉搏细速,诊断为血胸,需立即为患者输液行抗休克治疗,应首选输入的是(2017)
A.
0.9%氯化钠溶液
B.
5%葡葡糖溶液
C.
10%葡葡糖溶液
D.
平衡盐溶液
E.
右旋糖苷
【单选题】Choose the best answer according to the p assage. What does the first sentence in Paragraph 1 mean?
A.
The younger generation h as no place to go.
B.
The younger generation is confused about their future.
C.
The younger generation is not promising or self-made.
D.
The younger generation does not want to go anywhere but their parents' home.
【单选题】According to paragraph two, what should companies do to know customers' preference about product features?
A.
to teach customers how to use the rating tools
B.
to help customers express their needs clearly
C.
to simplify the list of product attributes
D.
to help customers identify the product features that they value most
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