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问题 单项选择题


A．爬山没问题

B．比以前还好

C．大不如以前

D．跟年轻时一样

答案

参考答案：C

解析：[听力原文]女：老杜，有日子没见你了，身体还行吧 男：唉，走下坡路了，哪能跟年轻那会儿比 问：老杜的身体怎么样

填空题

单词拼写

     根据下列各句句意和空白之后的汉语提示词，在指定区域的横线上写出对应单词的正确形式,每空只写一词。

1. They come to visit me every ______(周四) without fail.  

2. His heart started to beat _____ (猛烈) when he entered the competition hall.

3. Don't worry. My problems are very _____ (相似) to yours.

4. A good pair of ______(运动鞋) is something that everyone requires.  

5. Can't you see the sign? No hunting is allowed in the _____ (自然保护区).

6. As had been______ (预料), his youngest daughter took over his company.

7. Santa Claus ______ (代表) the spirit of Christmas.

8. They're going to start an ______(高级) course in English at that institute.

9. Coca cola is a household word ______(遍及) the world.

10. The police are ______(呼吁) for information about the incident.
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选择题

短周期元素X、Y、Z的原子序数依次递增，其原子的最外层电子数之和为13。X与Y、Z位于相邻周期，Z原子最外层电子数是X原子内层电子数的3倍或者Y原子最外层电子数的3倍。下列说法正确的是 [ ]

A．X的氢化物溶于水显酸性  

B．Y的氧化物是共价化合物

C．其离子半径大小： Z＞Y＞X  

D．X和Z的最高价氧化物对应的水化物都是强酸

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