打同一份稿件，甲乙两人所用的时间之比是7：6，甲乙两人的效率之比是______．

Jane is a good English teacher in M. T. School．The students like her and her  36 very much．Now，summer is coming．The weather is very  37 ．The students are often sleepy（困倦的），and don’t like to listen to  38 classes．
“  39 can I make the students listen to my classes?”Jane asks herself．One day，she  40 some riddles（谜语）in a book．“It can be a  41 way．The students may like to answer riddles．”Jane thinks．
Next afternoon，she asks a riddle  42 class，“It has got two hands and a face， 43 no feet．What is it?”
The students are happy about the riddle．One of the students  44 and says，“It’s a clock（时钟）．”
“Yes，you’re   45 ．”Jane says．She’s happy that the students are not sleepy now．

小题1:	A．family B．classes C．name D．parents

小题2:	A．cool B．cold C．warm D．hot

小题3:	A．his B．her C．its D．our

小题4:	A．What B．who C．Where D．How

小题5:	A．reads B．writes C．matches D．practices

小题6:	A．bad B．good C．last D．large

小题7:	A．at B．on C．in D．under

小题8:	A．and B．but C．so D．or

小题9:	A．looks at B．sits down C．listens to D．stands up

小题10:

A．right B．fine C．fat D．sorry