数字式电压表与模拟式电压表相比,具有()精度、测量速度()、输入阻抗()、读数直接、准确和自动化程度高等特点。
参考答案:较高的;快;高
Why should we elect him _________mayor? I mean last year he was elected as _________ member of the Congress and he has failed to keep any promise he made during the election.
A.a; /
B.the; the
C.a; the
D./; a
下 * * 种裂纹中,()裂纹危害性最大。
A.冷
B.热
C.延迟