某分项工程双代号时标网络计划如下图所示,其中工作C和J的最迟完成时间分别为第()天。
A.4和11
B.4和9
C.3和11
D.3和9
参考答案:B
用所给动词的适当形式填空。
1. He is afraid of____ (go) out by himself.
2. We are____ (take) notes while the teacher is having a lesson.
3. He (enjoy) helping others in trouble.
4. Doing much listening practice can make you be a good language____ (learn).
5. It's not easy to understand his____ (speak) English.
男性,42岁,5年前体检发现HBsAg(+),但肝功能正常,未予理会。近2个月来感到体力和食欲均减退:查ALT2401U/L,TBil为40μmol/L,HBsAg(+)。最有可能的诊断是().
A.急性黄疸型肝炎
B.急性重型肝炎
C.亚急性重型肝炎
D.慢性乙型肝炎
E.慢性重型肝炎