“How does the librarian act?”“He acts as if hea walking dictionary.”
A. were
B. be
C. is
D. has been
查看答案
I wish youinterrupt when I'm talking on the phone.
A. will not
B. would not
C. do not
D. did not
Henry talks to his dog as if ithim.
A. understands
B. understood
C. understand
D. would understand
太阳能资源丰富程度最高地区为()。
A. 日本
B. 美国
C. 中国
D. 印度
光照使得半导体材料的不同部位之间产生电位差的现象称为()
A. 霍尔效应
B. 热斑效应
C. 孤岛效应
D. 光伏效应