通常在近地层风速具有明显的日变化特征，主要表现为（）。
A．白天大、夜间小
B．白天小、夜间大
C．昼夜均小
D．昼夜均大
参考答案：A
根据句意和首字母提示，补全单词。
1. I don't like Chinese at a______.
2. Boys and girls, help y______ to some apples.
3. My parents are b______ teachers. But they work in different schools.
4. My uncle d______ a bus. He is a driver.
5. —Would you like something to d______?
—Orange juice, please.
紧急故障停机的步骤有哪些？
