在进行较大电容量被试品的变频耐压试验时,应直接在被试品端部进行()测量。
A.电压
B.电流
C.频率
D.波形
参考答案:A
从 A、B、C三个选项中,选出与画线部分意思相同或相近并能替代的那一项。
1. Whenever you like,I"ll discuss(讨论) it with you.[ ]
A. When
B. Wherever
C. No matter when
2. A lot of animals only wake up at nights.[ ]
A. ring up
B. get up
C. awake
3. Jim likes sports,such as basketball,soccer,and baseball. [ ]
A. for example
B. as
C. like
4. English is popular around the world.[ ]
A. on the earth
B. in the world
C. all over the world
5. China has the largest population in the world.[ ]
A. most
B. more
C. biggest
阿司匹林().
A.靶器官是生殖器官
B.靶器官是乳腺
C.靶器官是骨骼
D.作用于阿片受体
E.作用于环氧合酶