麻黄碱的升高血压作用
A．副反应B．质反应C．量反应D．停药反应E．变态反应
参考答案：A
10月1日以后，太阳直射点逐渐接近的地方是 （ ）
A．赤道
B．北回归线
C．南回归线
D．北极圈
—There was a telephone call for you.
—_____?[ ]
A. Who was it
B. Who was he
C. What was it
D. Who was she
