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【单选题】
若有定义：int a=4, b=5；float x=3.4,y=2.1，则下列表达式的值为( )。 (float) (a+b)/2+(int)x%(int)yA.
5.5
B.
55
C.
5.5
D.
55
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【简答题】以上图中属于辐(轮)状花冠的是( ) 2.以上图中属于唇形花冠的是( ) 3.以上图中属于十字形花冠的是( ) 4.以上图中属于管状花冠的是( )
【简答题】Match the English words with their correct meani
【简答题】Match the words or phases with their Chinese meani
【单选题】What does the professor mean when he says this:
A.
He is certain the students know the meaning of the word.
B.
He wants to make sure that students have understood his explanation.
C.
He is worried his students have not covered all the material so far.
D.
He wants to check whether his students have studied the material so far.