当孩子做错了题或考试成绩很低时，父母的正确做法是（）。A.分析鼓励 B.埋怨责备

词汇运用，每空限填一词。

    Attention, please! We've heard a lot about AH1N1(甲型H1N1) these days, so all of us need to know

how to avoid getting 1             (生病的). Here are 2             (五) suggestions for you.

    First, hand washing is one of the best ways. Be sure to wash your hands 3             (用) water after

touching animals, or after you cough into your hands. Second, keep your 4             (房间) and living

environment 5             (干净的). Third, don't go to the places where there are 6            (许多) people,

for example, 7             (公共汽车) stations or train stations. Fourth, don't be too close to 8            (猪)

or the places where they are kept. Last, 9            (喝) more water every day and remember to keep the

air fresh in your bedroom.

    Don't 10            (担心) about it too much. But if you cough a lot, or if you have a high temperature,

report it to your teacher in time. The teacher will help you right away.

    That's all. Thank you.

接地系统中，水平接地体常采用（）等材料，垂直接地体常采用（）、（）、（）等材料。

不宜与庆大霉素合用的利尿药是()

A.螺内酯

B.氢氯噻嗪

C.甘露醇

D.呋塞米

危机

新生儿期应接受的预防接种是（）

A.脊髓灰质炎疫苗

B.卡介苗

C.麻疹疫苗

D.百日咳、白喉、破伤风三联疫苗

E.流脑疫苗