五味子阻滞β受体作用的表现是（）
A.镇静
B.心率加快
C.心肌耗氧量降低
D.抗溃疡
E.镇咳
参考答案：C
请用下面括号内所给的词或短语的适当形式完成下列句子。
1. Xi'an No.2 Subway ______(complete) in 2010.
2. I found a wallet this morning, and I'm trying to find its ______(own).
3. Tom will come back on the ______(twenty) of next month.
4. There are two ______(shelf) in my room where I put my books.
5. Who ______ this toy car ______(belong to)? I really want to know.
维新派创办的宣传维新思想的学会主要有（）
A、强学会
B、南学会
C、保国会
D、觉悟社
