【简答题】My Stroke of Luck. Synonym :
【单选题】流行性脑脊髓膜炎流行有以下哪个特点
D.
流行性脑脊髓膜炎流行时,仅少数病人发展成败血症或化脓性脑膜炎
【单选题】听力原文:W: Finding this china cabinet was a real stroke of luck. Because of the scratch on the side, the dealer charged me $50 less than the regular price. M: You were very lucky, and with a little polis...
A.
He thinks it is a pity that there is a flaw on it.
B.
He thinks it is a good bargain but it could be much cheaper.
C.
He thinks it is a real bargain because the flaw is hardly noticeable.
D.
He thinks the woman should show it to her friends.
【单选题】流行性脑脊髓膜炎流行有以下哪个特点()
D.
流行性脑脊髓膜炎流行时,仅少数患者发展成败血症或化脓性脑膜炎
【单选题】to be the most supreme a stroke of luck
【单选题】电力拖动系统中已知电动机的转速为1500r/min,工作机构转速为150r/min,传动机构的效率为0.8,工作机构未折算的实际转矩为200N·m,电动机的电磁转矩为25N·m,忽略空载转矩,该系统肯定运行于___________。
【多选题】在退火、正火时出现的缺陷主要有( )
【简答题】What a stroke of luck I had!