单项选择题

A．They were created by Galileo in 1610.
B．They are electrical in nature.
C．They are created by nature.
D．They are there for almost thousands of years.
<上一题 目录 下一题>
热门 试题

单项选择题
A．At a laboratory.B．At a bank.C．In a classroom.D．In a department store.
A．At a laboratory.
B．At a bank.
C．In a classroom.
D．In a department store.
单项选择题
A．Boss and secretary.B．Customer and salesman.C．Doctor and patient.D．Husband and wife.
A．Boss and secretary.
B．Customer and salesman.
C．Doctor and patient.
D．Husband and wife.
相关试题