问题
单项选择题
下列试块，试件和才才料必须实施见证取样和送检的有（）
A、用于承重结构的混凝土试块
B、用于承重结构的钢筋及连接接头试件
C、用于承重墙的砖和混凝土小型砌块
D、用于粉刷抹面砂浆的水泥
答案
参考答案：D
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下列试块，试件和才才料必须实施见证取样和送检的有（）
A、用于承重结构的混凝土试块
B、用于承重结构的钢筋及连接接头试件
C、用于承重墙的砖和混凝土小型砌块
D、用于粉刷抹面砂浆的水泥
参考答案：D
Washington DC, the capital of the USA, is a beautiful city, but there are 1 poor and hungry people in it. 2 of them are even homeless (无家可归的). In the northwest of the city, there is a house 3 Martha’s Table. Every day, a group of volunteers go there. They raise（募集）food, clothes and money 4 poor people. They prepare (准备) 2, 100 sandwiches, a lot of soup and cakes for about 500 people every day. They give the 5 to the homeless people. Mrs Morley is 6 of the volunteers. She looks after more than 60 children. She 7 them stories and teaches them 8 to read and draw. The children’s parents have to work for many hours a day. They 9 take good care of them. So the parents are 10 that Martha’s Table can help them look after their children.
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