单项选择题By the time the course ends,________ a lot about the American way of life. A、we have learned B、we'll learn C、we are learning D、we'll have learned
单项选择题地塞米松的药理作用不包括(2016 真题上67) A. 抗毒素 B. 抗菌 C. 抗过敏 D. 抗休克 E. 抗炎