A: Greater than 0
B: Less than 0
C: Equal to 0
D: Cannot be determined
举一反三
- When we utilize tabular method for transportation problems, the criterion for the optimal solution is ( ). A: the test numbers of non-basic variables are greater than or equal to 0 B: the test numbers of basic variables are less than or equal to 0 C: the test numbers of basic variables are greater than or equal to 0 D: the test numbers of non-basic variables are less than or equal to 0
- 下列程序的运行结果是（ ）。t = 0 while t < 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5
- Consumption of the total life-cycle effort in software maintenance is（ ） that in software development． A: less than B: larger than C: equal or less than D: equal or larger than
- Consumption of the total life-cycle effort in software maintenance is (73) that in software development. A: less than B: larger than C: equal or less than D: equal or larger than
- After simplification of any force system in space, a force and a couple are obtained. The magnitude of this force is ( ) the principal vector of the force system. A: equal to B: more than C: less than D: not equal to
内容
- 0
If A and B are mutually exclusive events with P(A) = 0.70, then P(B)：（ ） A: can take any value between 0 and 0.70 B: cannot be determined from the information given C: cannot be larger than 0.30 D: can take any value between 0 and 1
- 1
The concentration of potassium ions in the cell ( ) is the concentration outside the cell, while the concentration of sodium ions in the cell ( ) is the concentration outside the cell. A: Greater than B: Bigger than smaller than C: Less than D: Less than, greater than
- 2
Asia’s oil needs A: are greater than its supply. B: are less than its supply. C: will not overtake North America within five years. D: will not overtake any other country in the worl
- 3
The women use the phrase "equal pay for equal work" to ask society to （）. A: pay men less than women B: give women harder work C: pay men and women the same amount of money for the same work D: pay people more who do harder work
- 4
What is the size of a container for liquid, gel or spray item? （盛装液体、凝胶、或喷雾类物品容器的尺寸是多少？） A: less than or equal to100ml B: more than or equal to 100ml C: less than or equal to 75ml D: more than or equal to 75ml