车辆的重心越高，离心力产生的横向倾翻力矩（）A、小 B、越大 C、无关

只有获得人民检察院的批准，公安机关的侦查活动才有合法的依据，才能行使侦查权力。 ( )

厂修22型（23型）客车转向架构架各闸瓦托吊座孔对基准平面（平台）之高低差应（）。

A、≤5mm

B、≤3mm

C、≤8mm

D、≤10mm

An analystdoes research about comprehensive income and gathers the following annual information about a company (in millions):

Beginning shareholders' equity	$1440
Total asset	$3330
Net income	$120
Cash dividends paid	$95
Ending shareholders' equity	$1595

Assuming there was no issuance or repurchase of common stock during the year, the company's comprehensive income (in millions) is:（）

A. $130

B. $250

C. $400

泌尿系统疾病主要影像检查方法是（）

A.超声

B.CT

C.肾血管造影

D.KUB

E.IVP

简述列车自动防护系统（ATP）的功能。