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【单选题】
下列关于合金的说法不正确的是
A.
青铜是一种铜锡合金
B.
合金中可以含有非金属元素
C.
硬铝比纯铝的硬度低
D.
储氢合金是一类能大量吸收 成金属氢化物的材料
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【单选题】某人独立射击三次,其命中率为0.8,则三次中至多击中一次的概率为
A.
0.002
B.
0.008
C.
0.08
D.
0.104
【单选题】Which of the following topic can be used to conduct an informative speech?
A.
Five steps of designing a computer game.
B.
Smoking should be allowed at home.
C.
Brief comment on receiving first prize
D.
C hanging some basic requirements of the course.
【单选题】According to one teacher, rather than drown students' compositions in critical red ink, the teacher should__________.
A.
comment favorably on improvements over their previous work
B.
make sure his students hand in something above their usual standard
C.
write a brief comment in the margin to please them
D.
show his students that he is aware they are eager to be praised
【多选题】the substantiation of the DPM or the DLO's speech comprises ____ and _____.
A.
brief comment on opposing argument
B.
attention getter
C.
expansion
D.
rebuttal
【单选题】The passage aims to______.
A.
present a brief introduction to Shakespeare
B.
comment on Shakespeare contribution
C.
appreciate Shakespeare's works
D.
discuss Shakespeare's writing style
【单选题】"Before that, I will address a few points of rebuttal that do not fit as neatly into my constructive material." This is a statement from a DLO's speech on the motion of "this house would only use pris...
A.
announcing the clash point
B.
describing the opposing argument
C.
brief comment
D.
a transitional device
【判断题】急性上呼吸道感染多数需要使用抗生素治疗
A.
正确
B.
错误
【单选题】要了解某校教师的科研情况,则总体单位是( )。
A.
该校全部教师的科研情况
B.
该校每一个教师的科研情况
C.
该校全部教师
D.
该校每一位教师
【多选题】What will be included in a reply to the first order? 回复首次订单的信函中应包含以下哪些内容?
A.
Express pleasure at receiving the order
B.
Add a favorable comment on the goods ordered
C.
Include an assurance of prompt and careful attention
D.
Draw attention to other products likely to be of interest
E.
Ask for catalogues and samples
F.
Hope for further orders
G.
Enquire for specific products
H.
Give a brief introduction of your company
【单选题】硬脂酸镁在制备片剂中的作用主要是:
A.
吸收剂
B.
崩解剂
C.
润滑剂
D.
粘合剂
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