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【多选题】
在下列四个数据中,两位有效数字的是A.
1.80
B.
0.180
C.
K a =1.8×10 -5
D.
pH=1.80
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举一反三
【简答题】A．17 minutes. B．11 minutes. C．48 minutes. D．38 minutes.
【简答题】A．38 B．28 C．30 D．29.5
【单选题】Debbie’s smiling face can make her customers feel ______so you have to improve the way _____you deal with your customers.
A.
welcomed…/
B.
welcome…that
C.
awkward…in that
D.
embarrassed…in which
【简答题】A．the others B．another C．others D．other one
【单选题】抗蝮蛇毒血清皮试配置?
A.
血清原液0.1ml+生理盐水0.9ml
B.
血清原液0.15ml+生理盐水0.85ml
C.
血清原液0.1ml+生理盐水1.9ml
D.
血清原液0.2ml+生理盐水1.8ml
【单选题】--- Did you like ______ there? --- Oh, yes. The air, the weather, the way of life. Everything was so nice.
A.
it
B.
these
C.
that
D.
this
【简答题】201 1年，发现违法用地行为比上年增加了( )万件。 A.A.1．0 B.B.O．38 C.C.0．1 D.D.3．8
【单选题】C 5.2.4 Listen to the passage and choose the best answer to each of the following questions you will hear. 1. A. About 2000 years. B. Over 2000 years. C. No more than 2000 years. D. Exac...
A.
About 2000 years.
B.
Over 2000 years.
C.
No more than 2000 years.
D.
Exactly 2000 years.
【简答题】简述临床上腰椎穿刺时,由浅入深需要经过的组织结构。
【简答题】Only by doing so __________ the right way of delivering a successful speech. A．you can find B. you will find C. would you find D. can you find
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