以下β受体阻滞剂中,哪一个是高水溶性的。而且主要通过肾排泄,不通过血脑屏障,其有效剂量容易控制()。
A.以上都不是
B.阿替洛尔
C.美托洛尔
D.吲哚洛尔
E.普萘洛尔
参考答案:B
按要求改写下列各句,每空一词。
1. The bus ride usually takes about 25 minutes. (改为一般疑问句)
______ the bus ride usually ______ about 25 minutes?
2. Jack has to go to see the doctor. ( 对画线部分提问)
______ does Jack ______ to ______?
3. They can make bread. (改为一般疑问句)
______ they ______ bread?
4. Li Lei is ten years old. Lin Tao is twelve years old. (合并为一句)
Li Lei is ______ ______ Lin Tao.
5. Our bikes are not the same as theirs. (改为同义句)
Our bikes are ______ ______ theirs.
散手比赛中受警告一次对方得()分。