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【多选题】

During a meal at a Chinese table, toasting is necessary. Toasting can be made ______.

A.
to show respect to people
B.
from person to person
C.
to drain your glass
D.
to the group as a whole
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【单选题】Java中按所操作的数据单元的不同,分为________和________?

A.
输入流和输出流
B.
节点流和处理流
C.
缓冲流和转换流
D.
字节流和字符流

【单选题】Java中按流的流向不同,分为________和________?

A.
字节流和字符流
B.
输入流和输出流
C.
缓冲流和转换流
D.
节点流和处理流

【多选题】In signaling a taxi, what behavior is considered proper?​

A.
Standing in the zebra line
B.
Be careful of the surrounding cars
C.
Standing in an area where the drivers are allowed to pick up
D.
Waving your hand

【单选题】​Java中按流的角色来分,可分为________和________?

A.
节点流和处理流
B.
字节流和字符流
C.
缓冲流和转换流
D.
输入流和输出流