水泥混凝土路面的养护时间宜为()d。A.14~21 B.10~14 C.7~10 D
题型：单项选择题
问题：
水泥混凝土路面的养护时间宜为()d。
A.14~21
B.10~14
C.7~10
D.3~7
题型：单项选择题
Sixteen years ago a boy gave me an important gift. 小题1:_________
It was the early autumn of my first year at a middle school, and my old school was far away. As a result, no one knew who I was. I was very lonely, and afraid to make friends with anyone.
Every time I heard the other students talking and laughing, I felt my heart break. 小题2:_________
Then one day, my classmates talked happily with their friends, but I sat at my desk unhappily as usual. At that moment, a boy entered the classroom. 小题3:_________he passed me and then turned back. He looked at me with a smile.
Suddenly, I felt the touch of something bright and friendly. It made me feel happy, lively and warm. 小题4:_________I started to talk with other students and made friends. Day by day, I became closer to everyone in my class. The boy with the lucky smile has become my best friend now.
One day I asked him why he smiled, but he couldn’t remember smiling at me! I t doesn’t matter because all the dark days have gone. 小题5:_________If you think it lonely, you might always be alone. So smile at world and it will smile back.
