问题
单项选择题
日常维护保养的要求至少每()日对电梯及安全设施进行一次预防性保养。
A.10
B.15
C.20
D.30
答案
参考答案:B
日常维护保养的要求至少每()日对电梯及安全设施进行一次预防性保养。
A.10
B.15
C.20
D.30
参考答案:B
用所给词或词组的适当形式填空。(本题有10小题,共20分)
小题2:She wants to be an excellent actress, so she ____________________ into acting. 小题3:Daniel is very kind. He always ____________________ with his classmates at school. 小题4:He_____believe his own eyes _______he saw his names on the blackboard . 小题5:The girl said that she ____ ____sending e-mails to writing letters. 小题6:As we all know, the 30th Olympic Games __________________ this year in London . 小题7:The teachers hope their students can be vey in their future life. 小题8:The poor girl was caught in the rain; _________________________,she had a bad cold. 小题9:That bright man became an engineer when he was in his ___________________. 小题10:His new book has just . |