排气再循环装置
参考答案:双称EGR装置,是将一部分废气重新引入进气管与新鲜混合气混合后一起进入燃烧室,以降低排放物污染的装置。
阅读短文,根据要求完成下列各题。
There are many animals in Weihai Zoo.11 The elephants are from Africa.African elephants are big and kind animals,12 ________there are only about 30.000 in Africa.Some people kill the elephants 13 ________money.
African elephants are tall. They need(需要)to eat a lot of leaves and grass and they eat for hours a day.They can also drink 40 gallons(加仑)of water at one time.
Elephants have four teeth and two 14 tusks.These tusks grow about seven inches(英寸)a year.They can be up to twenty feet(英尺)long! African elephants live all over Africa The ears of a full-grown African elephants are about five to six feet long and four feet wide.
My friend gives me two tickets.15You,Would,with,to,the,to,zoo,go,like,me?
小题1:写同义句:The elephants ________ ________Africa.
小题2:选择恰当的连词:________
A.and
B.or
C.but
D.so小题3:选择恰当的介词:
A.in
B.for
C.at
D.with小题4:猜汉语意思________
A.象牙
B.象鼻
C.象腿
D.象耳小题5:连词成句:________________________________________________?
女性,48岁,反复发生尿急、尿频、尿痛伴腰痛与低热10余年。曾查尿蛋白(++),近1年来出现无力,纳差、清晨恶心,偶尔呕吐。近日症状再现。尿蛋白(+),尿沉渣镜检白细胞20~30/HP、红细胞偶见。血尿素氮13.6mmol/L,血肌酐353.6mmol/L,血红蛋白90g/L。
患者肾功能不全的临床分期为()
A.肾功能不全失代偿期
B.肾功能不全尿毒症期
C.肾功能不全代偿期
D.肾功能正常
E.肾功能衰竭终末期