【判断题】指针式万用表用完后应将切换开关放到"直流电压"档上
【单选题】Which American president was at the same time period with Martin Luther King Jr.?
【判断题】指针式万用表用完后应将切换开关放到"直流电压"档上。(X)
【单选题】John Martin trusted people easily because
A.
he was good-hearted and liked to cooperate with other people in his work.
B.
he was hardly aware of the possible danger.
C.
he was at a loss for the fact that industrial spying was on the increase.
【判断题】John had to cut his visit shortly two days ahead of time.()
【单选题】______ was known for his famous speech '1 Have a Dream'.
B.
Martin Luther King, Jr
【单选题】John Martin is Visiting( ).
B.
a town near where Xiao Li lives
【简答题】What is the purpose of Martin Blade's visit?
【判断题】自定义零件 型材、铆钉 的参数可在定义的值范围中任意设置。