电光性眼炎一般在照射后多长时间产生症状（）
A.3～8h
B.2～3h
C.1～2h
D.8～12h
参考答案：A
用所给词的适当形式填空。
1.She wants ______ (read) a book.
2. Let's go and ______ (see) our grandma.
3. Would you like ______ (have) a cup of tea?
4.She ______ (get) up at 6:30 in the morning.
5.Can he ______ (ride) a bike?
6._______ Miss Gao ________ (work) here? Yes, she _______
7.Do you like _______ food? (America)
8. ________ your friend English? (be)
早期民族资本工业中最大的行业是( )。
A．纺织业
B．缫丝业
C．机器面粉业
D．机器轧花业
