甲型H1N1流感病毒的直径大约是0.000000081米，用科学记数法可表示为（

按要求填空。  

1．“嫂”字是(     )结构，用部首查字法应查(     )部，再查(     )画，“嫂”字第五笔的笔画是(     )。 

2．“挨”字的读音有“āi”和“ái”两种，在字典里的解释有：①依次，顺次；②靠近；③遭受，亲身受到；④拖延。   

(1)“挨打”的“挨”应读(     )，取第(     )种解释。  

(2)“挨着次序”的“挨”应读(     )，取第(     )种解释。

课文填空（共10 小题；每小题 0.5 分，满分5分）

根据所学课文在68-77的空格里填上所缺的单词，并将答案转写到答题卡上。                                                    

As you know, the UN    68  the lives of people everywhere. The organization is involved in peacekeeping    69   to help end some of the world’s horrible conflicts. Watch any TV report  70   places where there is a war, and you    71   see soldiers wearing berets…

I have visited many countries in Africa. Recently, I was fortunate enough to travel to South Africa, where I met some women who have   72  themselves into a group. They    73    one rand (approximately 1.35 yuan) per day from each other and add it to a    74    of money the government gives them. With this, the women have enough money to buy    75    materials to make basket. They then sell these at the market. With luck their group will be able to expand and maybe set up a shop. This group was set up by UNIFEM, the United Nations    76    Fund for Women. There are lots of such programmes and funds under the    77   of the UN, and these have helped millions of people across the world.

[a]恰当的措辞是( )。

A．如履薄冰

B．身当矢石

C．首当其冲

D．祸从天降

（1）下列化学方程式表示钠在氯气中燃烧生成氯化钠：Na+Cl₂↑═2NaCl其中错误有：

①______，②______，③______．

请从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性。（）

A.A

B.B

C.C

D.D