新式整体式车身的后纵梁后段和后纵梁是分开的，以方便车身维修时更换作业。

—Listen! Is Professor Johnson giving a report in the hall?

—No, it _____ be him. He has gone to Japan. [ ]

A. needn't

B. may not

C. mustn't

D. cannot

患者53岁，绝经5年，腰背疼痛，胫酸膝软，面色不华，肢倦乏力，纳少便溏，舌质淡边有齿痕，苔薄白，脉细。其证候是（）

A.肾精亏虚证

B.阴虚内热证

C.脾肾两虚证

D.阴阳两虚证

E.脾气虚证

Nowadays some hospitals refer to patients ________ name, not case number.

A．of

B．as

C．by

D．with

下列程序的执行结果是______。
class A5 extends Thread

boolean b;
A5 (boolean bb)

b = bb;

public void run()

System.out.println(this.getName() + "运行");


public class Testl5

public static void main(String[] args)

A5 a1 = new A5(true);
A5 a2 = new A5(false);
if(a1.b)
A1. start();
if (a2 .b)
A2.start();

A．Thread-0

B．Thread-1

C．Thread-0

D．Thread-1
Thread-1Thread-0

非金属矿产是指经简单加工可提取非金属原料或直接可应用的矿产。