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【单选题】
An unconscious client is admitted to an emergency room.Arterial blood gas measurements reveal a PH of 7.30, allow bicarbonate level,a normal carbon dioxide level, and a normal oxygen level. An elevated potassium level is also present. These results indicate the presence ofA.
1. Metabolic acidosis
B.
2. Respiratory acidosis
C.
3. Combined respiratory and metabolic acidosis
D.
4. Overcompensated respiratory acidosis
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举一反三
【简答题】将区间改写成集合(-∞,-3)=____________________
【单选题】We ran to the trees, ___ we couldn't see any more monkeys.
A.
but
B.
so
C.
and
D.
for
【简答题】关于压力的解释不正确的是（ ） 。
【单选题】It was so dark that we couldn't see each other 's faces .
A.
宾语从句
B.
定语从句
C.
状语从句
D.
同位语从句
【单选题】We couldn't see _____ because the light in the room was poor. [ ]
A.
enough clear
B.
clear enough
C.
enough clearly
D.
clearly enough
【简答题】电动势的单位与电压单位相同,也是伏特(V)。电动势是一个标量,同电流一样也有自己的规定方向,即规定:自负极通过 ________ 到正极的方向为电动势的方向。
【单选题】We couldn't see_____ because the light in the room was poor.
A.
enough clear
B.
enough clearly
C.
clearly enough
【单选题】It was do dark that we couldn't see each other 's faces .
A.
宾语从句
B.
定语从句
C.
状语从句
D.
同位语从句
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