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【多选题】
实践证明,( )最适合用来合成烷基硫酸盐型洗涤剂。A.
B.
C.
直链C6-8 α烯烃
D.
直链C12-16 α烯烃
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【单选题】His poor standard of play fully justifies his ______ from the team for the match next Saturday.
A.
rejection
B.
exclusion
C.
exception
D.
elimination
【判断题】Article 25 in the UDHR (1948) declares that: "Everyone has the right to a standard of living adequate for the health and well-being of himself and of his family, including food, clothing, housing and ...
A.
正确
B.
错误
【单选题】What is important to a good leader?
A.
A dominant personality
B.
The courage to admit failure
C.
The ability to delegate
D.
A strong sense of responsibility.
【简答题】The history of Basketball Basketball was invented in December 1891 by the Canadian-American educator James Naismith. Naismith invented the on the request of his superior, Dr Luther H. Gulick, tha...
【单选题】下列关于指针式万用表说法中正确的是( )
A.
欧姆表的每-档的测量范围是0 ~∞
B.
不同档的欧姆表测量同一电阻的阻值时,误差大小是一-样的
C.
用欧姆表测电阻时,指针越接近刻度盘中央,误差越大.
D.
用欧姆表测电阻,选不同量程时,指针越靠近右边误差越小
【单选题】His poor standard of play fully justifies his _____ from the term for the match next Saturday.
A.
rejection
B.
expulsion
C.
exclusion
D.
exception
【简答题】离心泵的特点有哪些?
【简答题】增值税纳税人兼营免税、减税项目的，应当分别核算免税、减税项目的销售额;未分别核算销售额的，由税务机关核定免税、减税额
【单选题】用指针式万用表测量电阻的刻度,下列说法正确的是( )。
A.
刻度线是均匀的
B.
指针偏转到最右端时 ,电阻为无穷大
C.
指针偏转到最左端时 ,电阻为无穷大
D.
指针偏转到中间时 ,电阻为无穷大
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