临床使用氨茶碱应注意
A．监测血药浓度
B．饭后服药，减少刺激
C．稀释后缓慢静注
D．儿童慎用
E．密闭保存，防止变黄失效
参考答案：A,B,C,D,E
—You’ve won the drawing competition. Congratulations! Among all the pictures in the competition，I found _______was really amazing. By the way, when did you draw it?
—During the trip to the Sydney Opera House _______ September.
A．yours; in
B．yours; on
C．you; in
D．you; on
发行结束后，投资者可以追加认购或是赎回封闭式基金，因此其份额是可变的。（ ）
A．对
B．错
