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【判断题】
P1DIR的作用是设置P1端口的传输方向A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】如图,当理想电流源单独作用时,电流 I= () A 。
【单选题】'…others who put on programs'means that______．
A.
people get on their clothes with programs printed Oil
B.
people prepare and present the programs on TV
C.
people like the programs
D.
people acted in the TV programs
【单选题】A UN official said that aid programs would be ______ until there was adequate protection for relief convoy.
A.
depended
B.
suspended
C.
postponed
D.
expended
【单选题】Which of the following programs does NOT belong to public television programs?
A.
A program teaching DIYs.
B.
A documentary.
C.
A film on social events.
D.
A popular comedy.
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