8月8日、9月9日、10月10日,是时下年轻一代眼中的“黄道吉日”,他们都想在吉

语法填空

     Good morning! Now let me report the discussion work in our group. Wu Jun cleans up rooms (1)          weekends and Jia Mei likes cooking dinner with her mum. Wang Ping sometimes (2)           (wash) clothes for her family. As for me, I

usually help my father water the flowers.In my opinion, it is necessary (3)           us students to do some housework by

doing it, we can help our parents and understand them better. We'll also learn to take care of(4)           . Besides, we can

relax ourselves from hard work and develop our abilities.That's all. Thanks for (5)          (listen)!

1. _____ 2. _____ 3. _____ 4. _____ 5. _____

采用乳化沥青稀浆封层施工上、下封层时，稀浆封层的厚度宜为( )。

A．2～4mm

B．3～6mm

C．2～5mm

D．4～5mm

下列叙述中，错误的是【 】

A．File类能够存储文件

B．File类能够读写文件

C．File类能够建立文件

D．File类能够获取文件目录信息

根据照度平方反比定律，当距离增大到为原有值的两倍时，其照度即减少到（）

A.照度不变

B.1／6

C.1／8

D.1／4

E.1／2

期货公司申请金融期货结算业务资格，控股股东和实际控制人应当持续经营（）个以上完整的会计年度；控股股东或者实际控制人为金融机构，在最近（）年成立或者重组的，应当自成立或者重组完成之日起持续经营。

A．1；3

B．2；2

C．2；5

D．3；5