命令：>;>;>;s='up,upandaway'>;>;>;s.count('up')的执行结果是： A: 1 B: 2 C: 1' D: 2'

A person is standing on a staircase. He walks clown 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started A: 2 steps above B: 1 step above C: the same place D: 1 step below E: (E) 2 steps below

you can call up a call centre and (1)______ about an(2)______that you placed through any(3)_______.

在选择汽车最小传动比时，为了追求燃油经济性，哪种设计方式最好：（ ） A: uamax/uP > 1 B: uamax/uP < 1 C: uamax/uP = 0 D: uamax/uP = 1

在选择汽车最小传动比时，为了追求燃油经济性，哪种设计方式最好： A: uamax/uP &gt; 1 B: uamax/uP = 1 C: uamax/uP &lt; 1 D: uamax/uP = 0

The human brain makes up about ____ percent of a human’s body weight.( ) A: 3% B: 4% C: 1% D: 2%

The following statements relate to the participation of junior management in setting budgets:1 It speeds up the setting of budgets2 It increases the motivation of junior managers3 It reduces the level of budget padding Which statements are true? A: 1 only B: 2 only C: 2 and 3 only D: 1, 2 and 3

2 pick up a TV ____ turn on a TV ____

The boy was a philosophy student and wanted to sit up half the night discussing philosophy.Peter shared a flat with this boy. (1)The boy ................................................................. (2)Peter shared a flat with a boy...............................................

StructureThe passage is made up of (1) ______ paragraphs, and, according to the pattern of “(2) ______—(3) ______—(4) ______” the author mainly employs in his writing, it can fall into (5) ______ parts.