8个月的婴儿,标准体重是()
A.6.6kg
B.7.1kg
C.8kg
D.8.2kg
E.8.8kg
参考答案:C
下列不属于软件工程的3个要素的是______。
A.工具 B.过程 C.方法 D.环境
—Have you seen your aunt lately?
—Yes, in fact I saw her yesterday.I_________ her for several months.
A.haven’t seen
B.didn’t see
C.hadn’t seen
D.don’t see