皮皮学，免费搜题
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【判断题】
条码作为一种识别手段只可以单独使用。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
【单选题】How should we ( ) the poster to make it more attractive
A.
demonstrate
B.
describe
C.
decorate
D.
decrease
【单选题】—Clean-up Day is only two weeks from now. How should we make more people know it? —We could ______ advertisements after school. [ ]
A.
call up
B.
hand out
C.
put off
D.
think up
【简答题】资源税的税目共有7个，其中不包括（ ）。
【单选题】No one tells us _____, so we need your help. [ ]
A.
how we should do
B.
what should we do
C.
how to do it
D.
what to do it
【简答题】how should we make use of the Internet?
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