锗二极管正向电阻应大于100千欧，电阻越大越好，最好是无穷大。
参考答案：错
——It’s _____ to rain.
——Let’s get the work _____ before the rain comes.
A．likely; to be finished
B．probable; to be done
C．possible; to be finished
D．likely; done
肥胖的腰围：
