是在薪酬中，绩效薪酬和基本薪酬各占一定的比例。两者比例的变化，可以使这种薪酬结构演变

下面结论中，正确的是（　　）

A．|-2|＞|-3|

B．|-2|＜1

C．（-1）＜|-2|

D．-2²=（-2）²

某咨询团队在咨询改善方案初步形成后，与客户进行方案研讨，大家最关注改善方案的（）。

A．创新性与科学性

B．有效性与可行性

C．科学性与有效性

D．创新性与可行性

RNNAP是哪个地面接口的协议？（）

A.Iub接口

B.Iur接口

C.Iu接口

D.Gn接口

如图所示，一弹簧的刚性系数为k，一端固定于O点，另一端连接一重为P的小环A，使其能沿半径为R的铅直大圆环上滑动。弹簧原长为R，则小环从A到B，弹性力和重力做功总和为（）。

A.

B.

C.

D.

Did you ever have someone’s name on the tip of your tongue and yet you were unable to recall it (1) this happens again, do no (2) to recall it. Do something (3) for a couple of minutes, (4) the name may come into your head. The name is there since you have met (5) person and his name. It (6) has to be dug out. The initial effort to recall (7) the mind for operation, but it is the subconscious (8) that go to work to dig up a (9) memory. Forcing yourself to recall (10) never helps because it doesn’t (11) your memory；it only tightens it. Students find the preparatory method help (12) examinations. They read over the questions (13) trying to answer any of them. (14) they answer first the ones (15) which they are most confident. Meanwhile, deeper mental activities in the subconscious mind are taking (16) ; work is being done on the (17) difficult questions. By the time the easier questions are answered, answers (18) the more difficult ones will usually begin to (19) into consciousness. It is often (20) a question of waiting for recall to come to the memory.

16（）

A.place

B.shape

C.charge

D.action