在体循环中，血压下降最为显著的部位是
A．主动脉
B．大动脉
C．微动脉
D．毛细血管
参考答案：C
The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
A．went
B．is going
C．goes
D．will be going
（）是印度佛教建筑佛塔的早期形制。
A、犀堵坡
B、泰姬陵
C、马哈迪瓦庙
