双臂电桥适用测量（）欧的电阻。
A.1～10
B.10～1000
C.10～0.01
D.10～0.0001
参考答案：D
Tim is in good shape physically ______ he doesn't get much exercise.
A. if B. even though C. unless D. as long as
不属于阿司匹林禁忌症的是：（）
A、支气管哮喘
B、维生素K缺乏症
C、冠心病
D、十二指肠溃疡
