一个因数扩大10倍,另一个因数扩大5倍,积就扩大15倍.______(判断对错)
10×5=50,
答:一个因数扩大10倍,另一个因数扩大5倍,积就会扩大50倍;
故答案为:×.
. Dr Smith, together with his wife and daughters, ________ visit Shanghai Expo this summer.
A.is going to
B.are going to
C.was going to
D.were going to
记载了剖腹产手术见于()
A.《史记·楚世家》
B.《曲礼》
C.《周易》
D.《脉经》
E.《楮氏遗书·求嗣门》