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指在类体中、方法外定义的有 修饰的语句块,当其所在类被JVM载入内存时自动执行一次,负责 的初始化(汉字)。将一个类载入内存,必须先载入其 。(汉字)

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关键字 修饰的成员的可见范围是当前类,没有权限修饰符成员的可见范围是当前包(friendly) , 关键字 修饰的成员的可见范围是当前包和该类的子类, 关键字 修饰的成员的可见范围是所有包中所有类都可以访问。

The law______ companies to pay triple wages to employees working during the holidays.

A. obliges
B. makes
C. compels
D. forces

The doctor asked her assistants to keep her______ of the patient's physical condition after surgery.

A. inform
B. informed
C. informing
D. to inform

Could you ______ the bank and get some cash for me when you are in the downtown?

A. drop on
B. drop off
C. drop by
D. drop out

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