问题
单项选择题
作好混凝土养护，确保连续湿沾不少于( )。
A．14d
B．7d
C．10d
D．5d
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
作好混凝土养护，确保连续湿沾不少于( )。
A．14d
B．7d
C．10d
D．5d
参考答案：B
| 完形填空。 | ||||
| In the United States, Monday is the beginning of the workweek (工作周). It is the day most Americans like (1) _____. And it is certain that the day they like most is Saturday. Saturday is the (2) _____ of the workweek, and it is the beginning of the weekend. Life is (3) _____ at weekends. Most Americans take care of their houses, cars or gardens. They (4) _____ the feeling that time seems to move more slowly. The workweek is for things you have to do, but the (5) _____ is for things you want to do. Some people may get in a car and go for a (6) _____ in the country. They like to take part in outdoor activities. They (7) _____ go to a public eating or a film on Saturday night. The (8) _____ of weekends is a recent invention (近期的发明). In the 1879s, rich people began to speak of (9) _____ weekends in the country visiting friends. For most people, however, the workday was six days (10) _____. | ||||
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