其构造应在1小时的标准耐火试验至结束时,能防止烟及火焰通过的这种分隔是:()
A.甲级分隔
B.乙级分隔
C.丙级分隔
D.丁级分隔
参考答案:A
根据首字母提示,完成下列句子。
1. He s______ English every day.
2. E______ every day is good for your health.
3. Our teacher w______ us to listen to her carefully.
4. Please help me t______ the box to my office.
5. You must look a______ yourself.
成功者在选择有所成就的任务时,他们最有可能选择成功概率是多少的任务?()
A.20%
B.30%
C.50%
D.80%