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问题
问答题 简答题
简述什么是灌溉定额?
答案
参考答案:
全生育期各次灌水定额之和,叫做灌溉定额。
阅读理解
看一看,读一读,选一选。
The apples are sweet. The bananas are my favourite. The fish is fresh. The tomatoes are healthy. The tofu
are salty. They're tasty and healthy for me.
( ) 1.
A. favourite
( ) 2.
B. healthy
( ) 3.
C. fresh
( ) 4.
D. sweet
( ) 5.
E. salty
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单项选择题 A1/A2型题
胸腔闭式引流正常的水柱上下波动约为()
A.1~3cm
B.2~4cm
C.3~5cm
D.2~5cm
E.4~6cm
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