A: negative
B: positive
C: zero
D: changed
举一反三
- The sign bits (S) indicate if the temperature is positive or negative: for positive numbers S = 0 and for ______ numbers S = 1. A: negative B: zero C: positive
- 斜率（负、正、零）【slope（negative，positive，zero）】
- If the current direction of each mesh is the same, the mutual resistance of each mesh equation ( ). A: is always negative B: is always positive C: is always zero D: can be positive or negative
- The work done by static friction can be: A: Positive B: Negative C: Zero D: Any of the others
- The flux of electric field intensity E through a closed surface is equal to zero, which means in the surface A: there are more positive charges than negative charges. B: there are more negative charges than positive charges. C: there are the same quantity of the positive charges and negative charges. D: there is no polarized chargeharge.
内容
- 0
概念题：斜率（负、正、零）[ slope（ negative, positive,zero）]
- 1
If △H value of a reaction is positive, the conditions that must be a spontaneous process is(). A: △S value is positive and high temperature B: △S value is positive and low temperature C: △S value is negative and high temperature D: △S value of is negative and low temperature
- 2
If the U.S. donated $56B worth of medicine to Uganda, the net effect on the ________ would be ________. A: unilateral transfers account, positive B: trade balance, negative C: trade balance, zero D: capital accounts, positive
- 3
When a country imports more than it exports, what is the value of the net exports? A: Zero B: Need more information C: Positive D: Negative
- 4
Image can have only ………….…integer pixel values, whereas grid can have………….…. and ………….….real and …….……..cell values.____ Negative, Negative, Positive, IntegerPositive, Negative, Negative, Integer ____ Positive, Positive, Negative, Int____ Negative, Positive, Positive, Realc