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【单选题】
休克的最主要特征是
A.
心输出量降低
B.
动脉血压降低
C.
外阻力升高
D.
组织微循环灌流量锐减
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【简答题】生活污水中含有 、病原菌。虫卵等,排入水体或渗入地下水将造成污染,当溶解氧低于 mg/L , 就会影响鱼类的生活。
【简答题】According to the text we can imagine that ________. [A] the doctor was poor too [B] the doctor was skilled and kind [C] the doctor was skilled but cruel D,. the doctor was glad to have got the two boo...
【判断题】习近平总书记是在讲到作风问题时提出“三严”和“三实”。( )
A.
正确
B.
错误
【单选题】You can't prescribe before you ______ as a doctor.
A.
fit
B.
qualify
C.
match
D.
equal
【单选题】中国对虾幼体培育期间水中溶解氧含量不得低于()mg/L。
A.
15
B.
9
C.
6
D.
3
【单选题】---- The doctor told me not to drink too much , but I can’t help myself. ---- The doctor is right . ____ you drink , ______ you will be .
A.
the less ;the healthier
B.
the more ; the healthier
C.
the less; the unhealthier
D.
the more ; the healthiest
【单选题】四大家鱼的正常呼吸,要求水中溶解氧不低于( )mg/L
A.
5mg/L
B.
2mg/L
C.
1.5mg/L
D.
1.0mg/L
【单选题】关于通道的操作表述错误的是
A.
通道可以被分离和合并
B.
Alpha通道可以被重命名
C.
通道可以被复制和删除
D.
复合通道可以被重命名
【简答题】阅读理解. Old John went to see a doctor . The doctor looked over him and said , 'Medicine can't help you. You must have a good rest. Go to a quiet place for a month , go to bed early , drink some milk , w...
【多选题】下列符合乙醛物理性质的是( )
A.
无色液体,有强烈的刺激臭味,易挥发。
B.
熔点(℃): -121      沸点(℃): 20.8
C.
相对密度(水=1): 0.78
D.
能跟水、乙醇、乙醚、氯仿等互溶
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