【简答题】任务型阅读。 请阅读第56-60题的电视节目内容说明和A-E五个节目名称,把它们分别配对。 小题1:When you need help with your homework, go to the library. You may find magazines, newspapers, and big dictionaries there. They can always help you...
【多选题】(2014.12) Task 5 Directions: Read the following passage. After reading it, you should give brief answer to the 5 question (No.56 to No.60) that follow. The answer (in no more than three words) should ...
【单选题】B. Choose the words or expressions and complete the passage: (6分) ★★ As you become more aware of the specific trees that are beneficial in your area, you should do something to save the trees. ●When y...
【单选题】B. Choose the words or expressions and complete the passage: (6分) ★ What do you, the trees and hamsters have in common? Don’t you know the answer? You all ___59___ water. All living things must have w...
【单选题】下列说法不正确的是( )
A.
从物理意义上来说, KCL 应对电流的实际方向来说才是正确的,但对电流的参考方向来说也必然是正确的。
B.
在节点处各支路电流的方向不能均设为流入节点,否则将只有流入节点的电流而无流出节点的电流。
C.
定律 KCL 、 KVL 和 VCR 是电路分析的基础,它们同时适用于线性电路和非线性电路。
D.
KCL 只与支路电流 有关,而与元件的性质无关。