问题
单项选择题
高大空间仅要求下部区域保持一定的温湿度时，空调宜采用（）的气流组织形式。
A.下部送风
B.上部送风
C.分层式送风
D.分层式送风或下部送风
答案
参考答案：D
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高大空间仅要求下部区域保持一定的温湿度时，空调宜采用（）的气流组织形式。
A.下部送风
B.上部送风
C.分层式送风
D.分层式送风或下部送风
参考答案：D
| 阅读理解。 |
| We often talk about the weather. If we want to know about the weather, we can turn on the radio and listen to the weather report. We can also turn on the TV and watch the Weather Show. We can just read the newspaper, then we can get the weather. Sometimes we can ask other people in two different ways, "What's the weather like today?" or "How is the weather today?" Sometimes you can call at 121 for the weather. When it's cold, we shiver and need to wear warm clothes and scarfs. When it's raining, we need raincoats or umbrellas. When it's hot, we need a cool place and want a cold drink. |
| 1. You can watch the Weather Show ______. |
[ ] |
| A. on the radio B. on TV C. at 121 D. in the newspaper |
| 2. Telephone 121 is for ______. |
[ ] |
| A. hotel B. fire C. weather D. food |
| 3. We can know the weather in ______ ways in the passage. |
[ ] |
| A. 2 B. 3 C. 4 D. 5 |
| 4. We want a cold drink when it's ______. |
[ ] |
| A. cold B. warm C. hot D. rainy |
| 5. The word "shiver" is "______" in Chinese. |
[ ] |
| A. 颤抖 B. 出汗 C. 看病 D. 避暑 |