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【多选题】
下列哪种物质可以标定盐酸溶液
A.
碳酸钠基准试剂
B.
邻苯二甲酸钠基准试剂
C.
硼砂基准试剂
D.
重铬酸钾基准试剂
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【多选题】人类发展活动必须做到( ),否则就会遭到大自然的报复。
A.
尊重自然
B.
顺应自然
C.
保护自然
D.
利用自然
E.
融合自然
【单选题】The visitors lost their way in the forest ; made things worse. was that it began to rain.
A.
that
B.
which
C.
who
D.
what
【多选题】人类发展活动必须做到什么,否则就会遭到大自然的报复
A.
尊重自然
B.
顺应自然
C.
保护自然
D.
利用自然
E.
融合自然
【单选题】Whi ch one is not a good way of giving compliment?
A.
Back up your compliment.
B.
Ask a question with your compliment
C.
Use more flattery.
D.
Make your compliment specific.
【单选题】______ that the way people spend their holidays has changed a great deal in the past ten years.
A.
Which is reported
B.
What is reported
C.
As is reported
D.
It is reported
【单选题】. This is a reading room, boy, you must act in the way______ won’t disturb others.
A.
in which
B.
it
C.
which
D.
as
【单选题】Studying abroad, the boy was exposed to a way of life_________he was not at all fanmiliar.
A.
with which
B.
to which
C.
for which
D.
of which
【多选题】人类发展活动必须(),否则就会遭到大自然的报复。
A.
热爱自然
B.
尊重自然
C.
顺应自然
D.
保护自然
【多选题】人类发展活动必须( ),否则就会遭到大自然的报复。
A.
服从自然
B.
尊重自然
C.
顺应自然
D.
保护自然
【单选题】关于商务场合坐姿,以下哪种是正确的坐法?
A.
女士穿裙装时膝盖分开或将两腿绕在一起
B.
入座太浅,身体僵硬
C.
女士穿裙装入座时要用双手轻拢裙后摆,然后再坐下。
D.
采用比上司更随意或更夸张的坐姿
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