皮皮学,免费搜题
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【单选题】
Mr.Shimano often takes a bike...
A.
from his company's R&D department.
B.
to his company's R&D department.
C.
for his company's R&D department.
D.
to work with his company's R&D department.
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皮皮学刷刷变学霸
举一反三
【单选题】Hourly out put by workers ____ 1.3% in the first quarter.
A.
reduced
B.
declined
C.
felled
D.
slowed
【简答题】Wang Fang ________ the fire ________ a blanket. [     ] A. put out; with B . put off; for C. put out; in D. put down; at
【单选题】制冷剂灌注过量,将使制冷系统工作时出现()现象。
A.
过冷
B.
制冷度不够
C.
压缩机转不动
【单选题】They _______ the fire and helped the old man out. [     ]
A.
put out
B.
put on
C.
worked out
D.
went out
【单选题】How did the girl _______ the fire and helped Mr. Sun out? [     ]
A.
put on
B.
put off
C.
put out
D.
put up
【单选题】.旅游者饮生水可能感染的寄生虫是:
A.
阴道毛滴虫
B.
卡氏肺孢子虫
C.
克氏锥虫
D.
蓝氏贾第鞭毛虫
E.
棘阿米巴
【单选题】被调函数返回给主调函数的值称为
A.
形参
B.
实参
C.
返回值
D.
参数
【单选题】某中药提取液不加镁粉、只加盐酸即产生红色,则提示其可能含有
A.
黄酮
B.
黄酮醇
C.
花色素
D.
二氢黄酮
E.
异黄酮
【判断题】制冷剂灌注过量,将使制冷系统工作时出现制冷不足现象
A.
正确
B.
错误
【单选题】某中药提取液不加镁粉、只加盐酸即产生红色,则其含有( )。
A.
黄酮
B.
黄酮醇
C.
花色素
D.
二氢黄酮
E.
异黄酮
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