根据句意及所给汉语意思写出所缺单词。

小题1:I usually make ___            ( 错误  ) in grammar.

小题2:He can’t____            ( 负担得起  ) to pay for his child’s education.

小题3:I can’t go to the party, because I’ll have a big ____          ( 考试)tomorrow.

小题4:We were very  happy , when we were  having  a  _____             ( 野餐 ) last week.

小题5:There  are many _____            ( 会员 )waiting for our director in the hall.

男性，45岁，突然高热、寒战5天，胸片示左上肺大片致密阴影，1天来少尿。查体：口唇干燥，四肢厥冷，血气pH7.40，PaCO₂35mmHg，Pao₂85mmHg，BP70/60mmHg，中心静脉压5cmH₂0。目前最为紧要的治疗措施为（）

A.静脉滴入青霉素，400万U

B.静脉滴入间羟胺

C.立即行气管插管

D.静脉滴入5%碳酸氢钠200ml

E.静脉滴入低分子右旋糖酐500ml