皮皮学，免费搜题
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【单选题】
排放有害工业废水的工厂,应建在饮用水水源的A.
上游
B.
下游
C.
对岸
D.
上游对岸
E.
上风向
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Li Ming usually helps his brother ____________ his homework. [ ]
A.
did
B.
with
C.
without
D.
does
【简答题】用动词的适当时态填空:Li Ming usually ______(do) his homework in the evening.
【简答题】判断对错，对的在括号里画“√”，错的画“×”。 ( ) 1. Li Ming usually helps his mother. ( ) 2. Jenny always wears dresses. ( ) 3. Steven sometimes walks to school. ( ) 4. Danny never wears dresses. ( ) 5...
【单选题】—______do Li Ming and Li Lei usually go to school? —They usually walk to school.
A.
What time
B.
How often
C.
How
D.
无
【简答题】什么是架构模式,有哪些典型的架构模式?
【简答题】Li Ming usually _____ (listen) to the radio in the morning.
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