PLG－200C高频疲劳试验机是采用（）方式施加动态荷载的。

A、电磁振动

B、电液伺服

根据汉语提示及句子意思，在句中横线上填入适当的单词或词组（每空限填一词）。

小题1:We have a history lesson on         （星期五）.

小题2:Mr. Chen told us a          （滑稽可笑的）story yesterday.

小题3: —I think quiz shows are wonderful. I can learn a lot from them.

—I        （同意）with you.

小题4: —What about the piece of music?

—It        （听起来）sweet.

小题5:I haven’t finished my homework________(仍然).

小题6: The students talked about a moving movie                 （ 刚才）.

小题7:Everyone knows the Olympic rings                  （代表）the five parts of the world.

小题8: Sometimes the police wear plain clothes to                   （执行）special tasks.

小题9:There is                  （无疑地）that the Great Wall is one of the greatest wonders in the world.

小题10:It’s such a big table that it                  （占据）half of the room.