He remained silent，________her heart was heavy and her spirit low．
A. so
B. though
C. for
D. therefore
查看答案
A.everyB.eachC.allD.different
A. every
B. each
C. all
D. different
A.aheadB.breakC.pleasureD.breath
A. ahead
B. break
C. pleasure
D. breath
A.tellB.speakC.reportD.inform
A. tell
B. speak
C. report
D. inform
Which of the following situations will cause the death of a child？
A. Tile child clears its body of bacteria．
B. The body loses liquids without any control．
C. The child has diarrhea in a developing country．
D. The body controls its fluid levels．
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