当失血量达血液总量(),会出现头晕头昏、脉搏增快、血压下降等休克症状和生命危险
A.10%
B.15%
C.20%以上
D.40%
参考答案:C, D
句型转换(每空一词)。
1.1 want to borrow some money from my friends.(改为同义句)
I hope my friends________ some money________ me.
2. Please buy some drinks and snacks for us.(改为否定句)
Please________ ________ ________ drinks ________snacks for us.
3. The students need to buy an English-Chinese dictionary. (改为否定句)
The students________ ________ to buy an English-Chinese dictionary.
4. You should give him some advice.(改为同义句)
You should________some advice________him.
5. They had great fun at Lucy's party last night.(改为同义句)
They_________ _____ _____ _____ at Lucy's party last night.
目前对肾病综合征患儿不主张使用清蛋白注射的主要原因是()
A.价格太高.增加病人经济负担
B.可以用血浆代替,价格较便宜
C.可以增加血液黏滞度,诱发血栓形成
D.可能感染艾滋病病毒
E.输入清蛋白后很快由尿中排出,达不到提高血浆蛋白水平的目的,并可能使肾病缓解延迟