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【单选题】
电信的"八字"服务方针是（ ）。A.
优质、廉价、高效、高速
B.
迅速、准确、安全、方便
C.
礼貌、热情、耐心、周到
D.
广泛、多样、廉价、普及
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举一反三
【简答题】Match the following words and expressions with their meanings. inspirational/assert/overthrow/rebel/nostalgic/invade/ take to/be associated with/ gender/petition 1 . the fact ofbeing either male or fe...
【单选题】下列计算公式正确的是( )。
A.
风险收益率＝风险价值系数×标准离差
B.
预付年金现值＝普通年金现值×(1-i)
C.
净资产收益率＝资产净利率×权益乘数
D.
获利指数＝1-净现值率
【简答题】If you say that someone m(__)people, you disapprove of them because they skilfully force or persuade people to do what they want. (11 letters)
【单选题】According to the sentence in Paragraph 14“Parents always force children to do things, so it’ s hard for children to say that they haven’ t found someone and they are still looking,” what did a dating ...
A.
Whether their children will marry a rich person or not.
B.
Whoever their children will get married with doesn’ t matter much, compared to the result of getting married itself.
C.
Whether there is equal communication between the two who are getting married.
D.
Whether the parents force their children to accept their opinions or not?
【简答题】1 Match the following words and expressions with their meanings. inspirational/assert/overthrow/rebel/nostalgic/invade/ take to/be associated with/ gender/petition 1 . the fact ofbeing either male or ...
【单选题】oblige What is the meaning of oblige in sentence "She refuses, claiming that her professional standards oblige her to protect her sources."?
A.
to force someone to do something
B.
to respond to a request for help
【单选题】下列关重结晶的描述错误的是
A.
重结晶时对母液的浓度（固体溶质）没有严格要求
B.
理论上重结晶的温度区间可以在最低共熔点和沸点之间
C.
溶质的饱和溶解度随温度变化越大，重结晶的效率越高
D.
重结晶实验是用来分离提纯固体混合物
【单选题】在重结晶溶剂的选择原则中,不正确的是( A )
A.
溶解度必须很大
B.
溶剂必须是惰性的
C.
溶剂的沸点不能高于被重结晶物质的熔点
D.
溶剂必须容易和重结晶物质分离
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