不等式的解集为()。
A.[-1,0)
B.[-1,+∞)
C.(-∞,-1]
D.(-∞,-1]∪(0,+∞)
参考答案:A
解析:
故正确答案为A。
- The water was left running all night long.
- Yes. It seemed that John ___. He was the last one to leave the lab.
A.was to be blamed
B.was to blame
C. had been blamed
D. should be blamed
腹内手术者术前多长时间禁食()
A.8小时
B.12小时
C.24小时
D.1周
E.1~2周