我会组。比一比,再组词。
尘( )丈( )做( )
尖( )大( )坐( )
尘土 尖锐 丈夫 大小 做法 作业(答案不唯一)
以志愿者为对象的前瞻性队列研究,最常见的偏倚是()。
A.不依从偏倚
B.回忆偏倚
C.入院率偏倚
D.现患-新发病例偏倚
E.选择偏倚
_______ made his teacher angry.
A.He was late
B.Whether he was late
C.What he was late
D.That he was late