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【简答题】
下列关于水蛭药材的说法,不正确的是( )
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举一反三
【单选题】要想变压器效率最高,应使其运行在()。
A.
额定负载时
B.
80%额定负载时
C.
75%额定负载时
D.
绕组中铜损耗与载损耗相等时
【简答题】There are many cars over there. Five of them are brown. Twelve of them are red. Three of them are yellow. Four green cars, eight blue cars, two orange cars and one white car are there, too. They are n...
【单选题】There are many new bikes ____ for you in the shop.I think you can buy one that you like most.
A.
to be chosen
B.
to choose from
C.
to choose
D.
for choosing
【单选题】There are many new highrises on _____ side of Huaihai Road. What a magnificent view!
A.
either
B.
neither
C.
both
D.
all
【单选题】There are many old and new inventions in the museum. What else is there _____ in it?
A.
see
B.
to see
C.
seeing
D.
saw
【单选题】要想变压器效率最高,应使其运行在()
A.
额定负载时
B.
80%额定负载时
C.
75%额定负载时
D.
绕组中铜损耗与空载损耗相等时
【单选题】下列选项中,能够一次性向student表中添加三条记录的SQL语句是
A.
INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5);
B.
INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5);
C.
INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5);
D.
INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);
【单选题】计算首层平整场地面积时需要计算保温层的厚度,应该采用()操作扩展边线
A.
拉伸
B.
偏移
C.
扩展
D.
合并
【单选题】I can't understand this article _______ there are many new words in it.
A.
so
B.
because
C.
though
【单选题】— What do you think of the new book? — There are so many new words in chapter (章节). It's a bit hard. [     ]
A.
fifth
B.
five
C.
the fifth
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