CI代表
A．心指数
B．肺循环
C．每搏指数
D．右心室做功指数
参考答案：A
用所给单词的适当形式填空。
1. Jenny is going _____________ (buy) something outside.
2. I _____________ (eat) four eggs this morning.
3. Li Ming never _____________ (take) a bus to school.
4. Look! They are _____________ (put up) the Christmas tree.
影响土壤入渗的主要因素？
