锅炉在运行中需要增加送风量时,应()。
A、先减少送风后减少引风
B、先增加引风后增加送风
C、增加送风
D、增加引风
参考答案:B
句型转换。
1. I’m afraid of the dark.(改为同义句)
I’m ________ the dark.
2. Don’t you remember me, ________ ________?(完成反意疑问句)
3. He was a teacher in the past, but now he isn't.(同义句)
He ________ a teacher.
4. It seemed that she has changed a lot.(同义句)
She ________ a lot.
5. I spent two hours doing my homework last night. (就划线部分提问)
________ ________ did you spend doing your homework last night?
以下哪项不是中枢性尿崩症的特点()
A.以多饮、多尿和烦渴为主要症状
B.患儿常有多汗表现
C.重型中枢性尿崩症患儿每日饮水量可达300~400ml/kg
D.部分患儿可证实系颅内肿瘤所致
E.若同时伴有渴觉中枢受损则不产生烦渴