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【简答题】
已知正数a,b满足3ab+a+b=1,则ab 的最大值是
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【简答题】Where did the conversation take place?
【单选题】From the text, it can be inferred that ______ .
A.
New Orleans is the place where jazz was first produced
B.
the American people are all jazz lovers
C.
jazz is merely sung by the black when working
D.
jazz may become more popular as time goes on
【简答题】案例： 阅读下面一篇高考作文，完成后面的第题。 成才校园招生广告 请从第②③段中找出两个错别字，从第④段中找出一处病句。 查看材料
【简答题】习题5.4第1,2题
【单选题】请阅读Passage l。完成第21～25小题。 Passage 1 They came to the United States as children with little idea， if any， of what it meant to overstay a visa. They enrolled in public schools， learned English， earned hi...
A.
It is impossible for them to get college education.
B.
They cannot afford to study in Montgomery College.
C.
They must pay more tuition than their peers to get high school diplomas.
D.
They must pay more tuition than their peers at the state's public colleges.
【单选题】请阅读Passage 1，完成第小题。 So long as teachers fail to distinguish between teaching and learnin9，they will continue to undeaake to do for children that which only children can do for themselves．Teaching chil...
A.
it is one of the most difficult school courses
B.
students spend endless hours in reading
C.
reading tasks are assigned with little guidance
D.
too much time is spent on teaching about reading
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