安装垫铁时，每叠垫铁一般不超过3块，特殊情况下允许达（）块，其中只允许有一对斜垫铁。
参考答案：5
用下列单词的适当形式填空。
child, at, but, shop, quarter, drink, read, go
1. It's half past seven, the go to school by bike every day, today they to school
on foot.
2. It's nine o'clock, Mrs. Zhang usually stays at home in the morning, but today she's going .
3. It's four o'clock, Mrs. Zhang usually tea in living room in the afternoon.
4. It's a to nine, Mrs. Zhang always her newspaper night. But she doesn't do that
tonight. Now she's reading an English story book.
This area of the park has been specially ______ for children, but accompanying adults are also welcome.
A. inauguratedB. designatedC. entitledD. delegated
