手消毒效果应达到的要求：外科手消毒监测的细菌数应（）。 A.≤10cfu/cm B.

缺词填空：根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。(每空一词)

       Let me tell you something about Spring Festival in China. Every year people c  1   it all over China.

Usually it is in January or February. It is the most important f   2   in China. So before it c   3  , every family c   4    their houses and buy many things. And they often m_ 5   a special kind of food c   6    dumplings.

It means 'come together'. People always buy new clothes for their children and children also buy presents

for their p   7_. On the eve of the Spring Festival, family members meet for a big d   8   . Then they watch TV until midnight. They e   9    singing, dancing and playing cards. At twelve, people give e   10    other

the best wishes for the coming year.

为什么以柴和煤为燃料的窑烧成时一般以匣钵作为窑具？

在瑞士西南部，曰内瓦湖畔的山坡上,梯田从湖畔一直绵延到海拔600多米的高处。整个梯田群近900公顷,全部种植着葡萄，这便是世界文化遗产“拉沃梯田”。梯田被石墙隔开,石墙与泄洪沟融为一体,这套水利系统将水流引到导水渠中汇集起来，送到山下的湖里去。高出田面的石坎可阻挡土石滑落。根据材料,回答问题

小题1:瑞士拉沃梯田被称为“三个太阳眷顾的福地”，关于“三个太阳”的描述错误的是（  ）

A．太阳辐射较强,阳光充沛

B．日内瓦湖水对阳光的反射

C．石墙对热量的保存

D．阿尔卑斯山阻隔北方的冷空气小题2:梯田上水利系统发挥的生态作用是（  ）

A．引水对葡萄园进行灌概

B．避免水流直接冲刷土壤,防止水土流失

C．避免湖水上涨,淹没葡萄园

D．阻挡山上的土石掩埋葡萄园

某女，33岁，刷牙经常出血，临床诊断为牙龈炎，应建议她多长时间做一次洁治（）

A.1～2个月

B.2～3个月

C.6～12个月

D.12～24个月

E.24个月以上

卸油作业前应准备好（）

A.警示牌

B.警示线

C.消防器材

D.防静电接地夹