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【单选题】
汽车的转向器是( )A.
动力装置
B.
传动装置
C.
执行装置
D.
控制装置
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】玻璃化现象的预防措施有哪些?
【单选题】患儿,岁,2 周前发热,在外院诊断为扁桃体炎。近 3 天尿量减少,尿液为浓茶色,双眼睑水肿,半小时前突然头痛、呕吐,视物模糊,应首先采取哪项护理措施( )
A.
24h 尿量测定
B.
测血压
C.
肾功能检查
D.
查尿常规
E.
立即用镇静、利尿药
【单选题】David was a young man who worked in an office in a big city. His hobby was fishing, but he didn't often get a chance to practise it. Then one summer he decided to have a holiday in a beautiful place i...
A.
interested in
B.
good at
C.
expert in
D.
not fond of
【多选题】继代培养玻璃化现象预防措施有哪些( )
A.
增加培养基中的溶质水平，以降低培养基的水势；
B.
减少培养基中含氮化合物的用量；
C.
增加光照；增加容器通风，最好进行C02施肥，这对减轻试管苗玻璃化的现象有明显的作用；
D.
降低培养温度，进行变温培养，有助于减轻试管苗玻璃化的现象发生；
E.
降低培养基中细胞分裂素含量，可以考虑加入适量脱落酸。
【简答题】完形填空 David was a doctor. He spent 1 time in playing when he was in the medical college. Of course, he learned nothing. Later on he tried to find a 2 in the cities, but he failed. He 3 return to his ho...
【简答题】One day, many years ago, when I was working as a psychologist(心理学家) in England, David was brought into my office. His face was pale（苍白的）and he looked at his own feet. David lost his father when he was...
【简答题】阅读理解。 One day. Many years ago, when I was working as a psychologist in England, David was brought into my office. His face was pale (苍白) and he looked at his own feet. David lost his father when he wa...
【单选题】David was responsible and hardworking, _____ he was promoted from a clerk to a manager.
A.
which
B.
as
C.
for what
D.
for which
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