下列属于第三类医疗器械的是
A.全自动生化分析仪
B.手术衣
C.血压计
D.医用脱脂棉
E.人工晶状体
第1题
A.great helps
B.a great help
C.great help
D.of a great help
第2题
I would ______ to help my sister.
A.go to great effort
B.go to great might
C.go to great strengths
D.go to great lengths
第3题
18.Climbing hills()of great help to health.
A、is
B、are
C、were
D、be
第4题
Climbing hills ______ of great help to health.
A) is B) are C) were D) be
第5题
______ to help was a great encouragement to us.
A.Their coming
B.Their came
C.They coming
D.They come
第6题
______ to help was a great encouragement to us.
A.Their coming
B.Their came
C.They coming
D.They come
第7题
______ to help was a great encouragement to us.
A.Their coming
B.Their came
C.They coming
D.They come
第8题
______ to help was a great encouragement to us.
A.Their coming
B.Their came
C.They coming
D.They come
第9题
______ the teacher's help, he has made great progress.
A.At
B.Under
C.With
D.On
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