阅读理解。

     There are seven days in a week. Most children go to school from Monday to Friday. Most people

don’t work on Saturday or Sunday. In England most shops are closed on Saturday and Sunday. But in

China shops are open every day. In England some people go to church (去做礼拜). The time between

Friday evening and Monday morning is the weekend. It is the time for rest. We can’t work all the time.

We have to work from time to time. We rest over the weekend.

1. Most children don’t go to school on          and Sunday.

A. Saturday

B. Monday    

C. Wednesday    

D. Friday

2. In china shops are open          .

A. every day

B. from Monday to Friday

C. every day except Saturday

D. Only at the weekends

3. The weekend is_____ .

A. from Friday evening to Monday morning

B. on Saturday and Sunday    

C. from Friday to Monday

D. on Saturday or Sunday  

叶粉末经微量升华得油状物，加硫酸2滴及香草醛结晶少量，初显黄色至橙黄色，再加水l滴，即变紫红色的药材是（）

A．.薄荷

B．广藿香

C．穿心莲

D．荆芥

E．青蒿