水稻米粒干重增加最快的时期约在开花后()天。
A.4-8天
B.9-14天
C.10-20天
D.21-26天
参考答案:C
选择括号内恰当的单词或词组填入空白处,使句意完整、正确。(5分)
小题1:Are you going to (join / take part in)the school rowing club?
小题2:I think the computer is (used / useful).
小题3:I spent two hours (sweep / sweeping)the house yesterday.
小题4:The house is so expensive that I can’t (share / afford)it.
小题5:Even scientists aren’t sure (if / whether)or not there are UFOs.
女,38岁。已婚,农村妇女。2年来常感下腹部隐痛不适,12小时前突发转移性右下腹痛,伴恶心,呕吐、发热,查右下腹明显压痛、反跳痛、肌紧张。血常规:WBC16×109/L,N0.88。尿常规(-)。
经直肠和 * * 指诊发现波动性肿块向 * * 突出,有触痛。此时采用何种治疗方法最恰当()
A.大剂量抗生素
B.热水坐浴,会阴部理疗
C.经直肠脓肿切开引流术
D.经腹腔脓肿切开引流术
E.经 * * 后穹隆切开引流术