在蒸馏实验中，下列说法不正确的是[ ] A．温度计的水银球应_爱下问搜题

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问题选择题

在蒸馏实验中，下列说法不正确的是[ ]

A．温度计的水银球应放在蒸馏烧瓶的支管口处

B．冷凝管中冷却水的流向是从上向下流

C．加入沸石的作用是防止液体暴沸

D．加热时，蒸馏烧瓶下面要垫石棉网

答案

答案：B

完形填空

I truly feel that my mother led me here, to Morzaine, and to my future as happy wife and business woman. When Mum ____ in October 2007, I was a cook. In December that year while I was working for a wedding, a pearl necklace Mum had left me ____. I was distraught(忧心如焚的). Some days later, I was ____ that a guy who was working with us that day “could probably have made a fortune ___ the necklace he found.” ____， he returned it. Hearing how I'd ____Mum for six months before her death, he said，” Christmas is going to be ___ —why not go out to the Alps for a couple of weeks？”
I come to Morzaine，a small，friendly village in the Alps and ____ fell in love with it. What was ____ to be a stopgap (权宜之计) trip turned into a new life. I kept travelling between London and here and felt ____ than I had in months.In December 2008, I was ____ as a hotel manager and moved here full time.
A month later, I met Paul, who was traveling here. We fell in love. In the beginning, I didn't want to discuss ____， because the sadness of losing Mum ____ felt great. Paul understood that and never __49__ me but, by summer, we got married. A year later, we used his saving, and the money from the sale of Mom's house, to build our own ____.
We want to give our guests a ____ feeling, so each room is themed(以……为主题) around memories from our lives. There are also style to remind me of Mom —a tiny chair which ___ be in her bedroom is set in one room.
We are having a wonderful life Mum ____ naturally part of it, ____ there's no way we would be here if it wasn't for the ____ she gave me. I know she's here in spirit, keeping an eye on us.

B．disappeared

A．suddenly	B．finally
C．nearly	D．immediately

D．interrupted

单项选择题

张某将自家房屋(价值50万元)于2005年6月1日按市价对外出租给李某用于居住，每月租金3000元，当地政府规定的房产税扣除比例为20%，则其2005年应纳房产税为( )元。

A．840
B．1440
C．2520
D．4800