在油田开发过程中，专门用来观察油田（）的井称为观察井。
A、地下动态
B、油层
C、资料
D、变化
参考答案：A
轻度心力衰竭患者利尿剂首选（）
A.阿米洛利
B.呋塞米
C.氨苯蝶啶
D.螺内酯
E.氢氯噻嗪
—What do you think of the lecture of Li Yang's Crazy English?
—I think it's _______, but someone thinks it's much too _______. [ ]
A. wonderful enough; bored
B. enough wonderful; boring
C. wonderful enough; boring
D. enough wonderful; bored
