根据建筑施工厂界噪声限值中的规定,振捣棒的昼间的噪声等效声级LAeq叫限值为( )dB。
A.55
B.60
C.65
D.70
参考答案:D
解析:参见建筑施工场界噪声限值。
完形填空。阅读短文,然后根据首字母提示填完单词。
Look at the child over there. His n_____(1) is Jim Green. He is an English b_____(2). He is my new
f_____(3). M_____(4) name is Li Ping.
This is o_____(5) school. It's No. 2 Middle S_____(6). My father is a t_____(7) at the school. Jim
is eleven. I'm twelve. He is in C_____(8) Two. We are in the s_____(9) class. We like our school
v_____(10) much.
肝硬化病人早期腹水产生的主要原因是()
A.低蛋白血症
B.肝淋巴液生成增多
C.感染
D.门脉高压
E.钠潴留