题目
第7题
What was the main purpose of having a watch during the 1800s?
A.To know direction.
B.To measure time.
C.To show off one's wealth.
D.To get to work on time.
第8题
a) srx1ev〉0
b) R_N>R_S(R_N =Meas, n-cel1qoffset, R_s =qmeas, s+Qhyst
c) srx1ev>0或Saua1>0
d) Sxrx1evy>0且Squa1>0
第9题
A.A.
B.B.which, who
C.C.who, which
D.D.who, who
E.E.which, which
为了保护您的账号安全,请在“赏学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!