问题
单项选择题
喷射混凝土时，喷头与受喷面的倾角以（）为宜。
A.90º
B.45º
C.60º
答案
参考答案：A
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喷射混凝土时，喷头与受喷面的倾角以（）为宜。
A.90º
B.45º
C.60º
参考答案：A
| 阅读理解 | |
| The Lost Watch Lily lost her watch. She put this sign on a tree in Hadley Park. She hopes someone will find her watch and call her.
| |
| 1. Lily lost her watch on_____. | |
| A. Monday B. Tuesday C. Apri114th | |
| 2. Lily lost her watch at_____. | |
| A. school B. home C. Hadley Park | |
| 3. What can we know from the sign? | |
| A. Lily's watch is green. B. Lily's phone number is 555-3232. C. Lily's watch is not old. | |
| 4. The'underlined word "reward"means _____in Chinese. | |
| A. 售价 B. 报酬 C. 价格 | |
| 5. What is the main idea(主要内容 )of this story? | |
| A. A girl likes to play at Hadley Park. B. A girl pays(支付)$5 for a new watch. C. A girl wants to find her watch. |