问题
单项选择题
GWl6/17型隔离开关动静触头的接触方式是()。
A.点接触
B.线接触
C.面接触
答案
参考答案:A
GWl6/17型隔离开关动静触头的接触方式是()。
A.点接触
B.线接触
C.面接触
参考答案:A
阅读下面材料,根据材料内容判断句子正误(正确用“T”表示,错误用“F”表示)。 | ||
● Emma, buy some fruits on your way home. Thanks. (From Jessie 13096758113) | ||
( )1. These messages are on Emma's mobile phone. ( )2. Emma can get her computer at 8 :00 p.m. ( )3. Vicky asked Emma to call back. ( )4. If Emma wants to go to the party, she can call at 13823636790. ( )5. Jessie asked Emma to buy some fruits on her way to school. |