强效利尿剂的作用部位是（）
A、近曲小管
B、远曲小管
C、集合管
D、髓袢升支粗段
参考答案：D
用所给单词的适当形式填空.
1. We are ______ (surprise) at what he does.
2. Tom, someone _______ (wait) for you in your office.
3. — Where _______ David ______ (swim)?
— I can't find him.
4. We have fun _______ (talk) .
5. The zoo is a good place _______ (have) fun.
下列不属于离心泵的技术参数的是（）
A.流量
B.扬程
C.系统承压
D.外界温度
