问题
单项选择题
根据国家规定,凡在坠落高度离基准面()以上有可能坠落的高处进行的作业,均称为高处作业。
A、2m
B、3m
C、4m
D、5m
答案
参考答案:A
根据国家规定,凡在坠落高度离基准面()以上有可能坠落的高处进行的作业,均称为高处作业。
A、2m
B、3m
C、4m
D、5m
参考答案:A
阅读理解。 | |
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1. Sydney Tower is ________ in Sydney, Australia. | |
A. the busiest street B. the biggest station C. the most beautiful park D. the highest point | |
2. There is a ________ to Town Hall Station. | |
A. train B. bus C. plane D. taxi | |
3. Sydney Tower opens at ________. | |
A. 8:00 am B. 9:00 am C. 10:30 pm D. 11:30 pm | |
4. If an adult with two children goes to visit Sydney Tower, he has to pay ________. | |
A. $ 60 B. $ 90 C. $ 120 D. $ 150 |