用于鉴别、检查、含量测定的标准物质
A.标准品B.供试品C.对照品D.滴定液E.指示剂
参考答案:C
女,10岁,腹泻1天,日6~7次,水样便,无明显里急后重,粪便镜检白细胞0~2/HP,涂片见革兰阴性且弯曲排列成流星状细菌,悬滴法动力强。最大可能的诊断是()
A.细菌性痢疾
B.急性肠炎
C.霍乱
D.阿米巴痢疾
E.细菌性食物中毒
用括号内所给单词的适当形式填空。
1. The factory produces _____ (wood) furniture.
2. The old woman is carrying two _____ (basket) of apples.
3. The hunter _____ (shot ) at the deer, but the deer ran away.
4. China is a _____ (develop) country, but it develops very fast.
5. After the heavy rain, the river _____ (rise) a lot.
6. Basketball is an exciting and _____ (activity) sport.
7. He was worried about the _____ (safe) of me.
8. It is raining harder and harder. We'd better go_____ (indoor).
9. It's _____ (danger) to walk on the thin ice.
10. The _____ (popular) of rock and roll has risen since 1950.