串励式直流电机式()和()串联。
参考答案:励磁绕组;电枢绕组
土耳其海峡沟通的海洋是 [ ]
A.阿拉伯海和红海
B.地中海和大西洋
C.黑海和地中海
D.黑海和地中海
He was _____ tired _____ he fell asleep as soon as he lay down. Oh, we can go out and let him have a
good rest. [ ]
A. too, to
B. so, that
C. enough, to
D. such, that