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【单选题】
测定土壤速效磷的过程中,比色时如显色液颜色过深, 将显色液直接稀释再进行比色。A.
不可以
B.
可以
C.
无所谓
D.
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举一反三
【简答题】When we were kids, a trip to the beach was a real _________ (乐事) .
【单选题】There were a lot of ______ between my brother and me when we were kids.
A.
compete
B.
competition
【简答题】When I was a sixth grader, kids were separating into groups, but I wasn't sure where I belonged． Our teacher gave us a task called 'secret friends' for the coming week．We were supposed to do nice thin...
【简答题】Now, I want to start with a question: When was the last time you were called childish? For kids like me, being called childish can be a frequent occurrence. Every time we make irrational(不理智的) demands...
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