高危妊娠以下说法正确的是()。
A.妊娠剧吐不属于高危妊娠
B.子宫收缩乏力属于高危妊娠
C.没有合并症并发症的瘢痕子宫不属于高危妊娠
D.以上说法都正确
参考答案:B
已知字符'A'的ASCII码值是65,字符变量c1的值是'A',c2的值是'D'。执行语句printf("%d,%d",c1,c2-2) ;后,输出结果是
A.A,B
B.A,68
C.65,66
D.65,68
W: Do you let people know when you’re taking pictures of them M: I try not to. You know any picture of a person who poses for the camera would look dull and unnatural. Q: What are the speakers talking about()
A. Taking photographs.
B. Enhancing images.
C. Mending cameras.
D. Painting pictures.