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多项选择题

下列选项中（ ）是合法的 Java 标识符名字。
A、$index
B、name-7
C、_byte
D、char

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相关考题

单项选择题
Not many years ago, a wealthy and rather strange old man named Johnson lived alone in a village in the south of England. He had made a lot of money in trading with foreign countries. When he was seventy-five, he gave ~ 1200 to the village school to buy land and equipment for a children′ s playground.
As a result of his kindness, many people came to visit him. Among them was a newspaperman.
During their talk, Johnson remarked that he was seventy-five and expected to live to be a hundred. The newspaperman asked him how he managed to be healthy at seventy-five. Johnson had a sense of humour (幽默). He liked whisky (威士忌酒) and drank some each day. "I have an injection(注射) in my neck each evening," he told the newspaperman, thinking of his evening glass of whisky.
The newspaperman did not understand what Johnson meant. In his newspaper he reported that Johnson was seventy-five and had a daily injection in his neck. Within a week Johnson received thou- sands of letters from all over Britain, asking him for the secret of his daily injection.
The newspaperman .
A.shouldhavereportedwhatJohnsonhadtoldhim
B.shouldn'thaveaskedJohnsonwhatinjectionhehad
C.waseagertolivealonglife
D.shouldhavefoundoutwhatJohnsonreallymeant
单项选择题
某-6层砌体房屋，如分别位于Ⅰ、Ⅱ、Ⅲ类场地上，当其他条件相同时，房屋所受的总水平地震作用的大小正确的是( )。
A.位于Ⅰ类场地上最大
B.位于Ⅱ类场地上最大
C.位于Ⅲ类场地上最大
D.在各类场地上，房屋所受的总水平地震作用相同
单项选择题
以下为描述LCD液晶显示器显像的是（   ）
A、通过电子轰击荧光屏发光。
B、高压电离惰性气体发出紫外线，紫外线照射荧光粉发光。
C、图像信号控制液晶的扭转，从而控制光通过红绿蓝滤色片的亮度。
D、图像信号控制有机材料上发光的强度。
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