级配碎石施工时，应避免（）。_爱下问搜题

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问题填空题

级配碎石施工时，应避免（）。

答案

参考答案：纵向接缝

选择题

（五如14•青浦区二模）在AggO₃和C5（gO₃）_五的混合液中，加入一定量的铁粉，充分反应后，有少量金属析出过滤后，向滤液中滴加稀盐酸，有白色沉淀析出，则理论上析出的少量金属是（　　）

A．Cu

B．Ag

C．Fe和Cu

D．Cu和Ag

完形填空

A young man was getting ready to graduate from college. For many months he had    1    a beautiful sports car in a dealer’s showroom, and    2   his father could well    3   it, he told him that was all he wanted.
On the morning of his graduation day his father called him into his own study and told him how    4   he was to have such a fine son. He handed his son a beautiful gift box.   5    but slightly disappointed, the young man    6    the box and found a lovely book.     7   , he raised his voice at his father and said, “with all your money you give me a book?” And rushed out of the house,    8    the book in the study.
He did not contact his father for a whole year until one day he saw in the street an old man who looked like his father, he     9    he had to go back home and see his father.
When he arrived at his father’s house, he was told that his father had been in hospital for a week. The moment he was about to     10    the hospital, he saw on the desk the still new book, just as he had left it one year ago. He opened it and began to     11    the pages. Suddenly, a car key     12    from an envelope taped behind the book. It had a tag(标签) with the dealer’s name, the     13    dealer who had the sports car he had    14   . On the tag was the date of his graduation and the     15    PAID IN FULL.

B．comfortable

B．information