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复习思考题: 1 、什么叫设施作物栽培制度? 2 、无土栽培的主要类型有哪些? 3 、防虫网、防雨棚、遮阳网的概念及其作用。 4 、营养液栽培的主要形式。 5 、什么叫茬口安排? 6 、设施栽培的主要茬口有哪些?大棚栽培的主要茬口?日光温室栽培的主要茬口? 7 、立体栽培的意义及主要形式。
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【单选题】The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ______ after the terrible quake.
A.
in trouble
B.
in ruins
C.
out of work
D.
at midnight
【单选题】The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ________ after the terrible quake.
A.
in trouble
B.
on purpose
C.
out of work
D.
in ruins
【判断题】In 1985, the People's Republic of China made English the main foreign language in education.
A.
正确
B.
错误
【简答题】According to Long(1985), task refers to _______ people do in everyday life, at work, and in between.
【简答题】According to Long(1985), task refers to _______ people do in everyday life, at work, and in between.
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