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【简答题】
SF6和C10H22(癸烷)的相对分子质量相近，它们的沸点也相近吗?为什么?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】--- Excuse me sir, where is Room 301? --- Just a minute. I’ll ask Bob ________ you to your room.
A.
show
B.
shows
C.
to show
D.
showing
【单选题】To deliver a 'Chinese dream', we need to push ahead with reforms and ensure economic growth and people's well-being, ______?
A.
mustn't we
B.
don't we
C.
needn't we
D.
won't we
【单选题】We ensure that there is an environment in which differences are respected and different solutions and ideas are welcome.
A.
我们保证有这样的氛围：差异得到尊重，不同的解决方案和想法受到欢迎。
B.
我们正在营造的环境是：差异尽管存在，欢迎提出解决问题的方案和主意。
C.
我们要努力创造出一种状态：人人受到重视，个个能提出不同的创新思想。
【单选题】We ensure that there is an environment in which differences are respected and different solutions and ideas are welcome.
A.
我们保证有这样的氛围：差异得到尊重，不同的解决方案和想法受到欢迎
B.
我们正在营造的环境是：差异尽管存在，欢迎提岀解决问题的方案和主意
C.
我们要努力创造出一种状态：人人受到重视，个个能提出不同的创新思想
【单选题】—Excuse me ， sir ． Would you do me a favor? of course ． What is it? —I if you could tell me how to fill out this form ．
A.
． had wondered
B.
． was wondering
C.
． would wonder
D.
． did wonder
【单选题】Why must we learn to identify the risks we are going to take?
A.
To ensure we make responsible choices.
B.
To avoid being overwhelmed by stress.
C.
So that we don't break any rules.
D.
So that we don't run into trouble.
【单选题】While we are developing the product, we will write regular reports to ensure that you are informed of its progress.
A.
We're going to write reports at the same time as we develop the product.
B.
We're going to write reports after we develop the product.
C.
We're going to write reports before we develop the product.
【简答题】—Excuse me sir, where is Room 301? —Just a minute. I’ll have Bob __________ you to your room. A．show B．shows C．to show D．showing
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