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【单选题】
下列关于水磁悬液的制作,正确的是:
A.
把磁粉很快投入大量水中,然后仔细搅拌
B.
先把磁粉和少量水搅拌,然后稀释
C.
先把磁粉用表面活性剂仔细搅拌,再用水冲淡,分散的水中
D.
在荧光磁粉中加入表面活性剂,放进研钵,仔细研磨后再分散的水中
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举一反三
【简答题】A.recognize B.realize C.authorize D.socialize
【单选题】According to the writer, most Mexicans don't have time to socialize with family and friends.
A.
True
B.
False
C.
Not given
【单选题】属于医疗用毒性药品,又属于保护野生药材的是
A.
麝香
B.
蟾酥
C.
青娘虫
D.
红娘子
【简答题】阅读理解 What is the single largest cause  of sick leave in the UK? The answer is not the common cold  or flu, but back pain. Back pain affects one in three British s, cost the country over £5 billio...
【简答题】修改病句并说明错误的原因。 (1)通观全篇,由于恰切的例证和辨证的分析,使抽象的哲理深入浅出,起到了正本清源的作用。 (2) 作家在创作实践中,无论是离开现实生活的基础,还是受真人真事的局限,都难以达到典型地反映生活的本质。
【单选题】To socialize means to meet and spend time with people in a friendly way in order to enjoy yourself.
A.
社会
B.
社交
C.
遇到
【简答题】The Church is the largest single church in Northern Ireland, the second largest being ____.
【简答题】A.recognize B.realize C.authorize D.socialize
【单选题】According to the writer, most Mexicans don’t have time to socialize with family and friends.
A.
T
B.
F
C.
NG
【判断题】函数y= 的导数y′=-4 .
A.
正确
B.
错误
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