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【单选题】
已知 K a ( HA ) =1.0 × 10 -7 ,在 0.1mol/LHA 溶液中, pH 值为A.
7
B.
6
C.
8
D.
4
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举一反三
【简答题】企业物流成本控制的具体方法及原则
【单选题】Why is the protagonist death given significance?
A.
Because he writes great stories depicting humanity
B.
Because of his reflection before his death
C.
Because of his depiction of humanity
D.
Because of his nobleness to his fellow soldier
【多选题】The clinical significance of he negative reactions of tuberculin test including
A.
Technical error or tuberculin failure
B.
The early stage of delayed allergic reaction
C.
No tuberculosis infection
D.
After BCG vaccination
E.
The false negative reactions were caused by the low immune function or inhibition of the body
【单选题】Of great significance the nation-wide movement is ______ the Kampuchean people in their heroic struggle against the aggression of the Vietnamese.
A.
to support
B.
for supporting
C.
supporting
D.
of supporting
【单选题】图示正弦电流电路中,若RLC中电流的大小分别为8 A3 A9 A,则电流I为( ),电路呈 ( ) 性。
A.
10A，容性
B.
10A，感性
C.
20A，容性
D.
20A，感性
【单选题】Of great significance is the nation-wide movement ______ the Kampuchean people in their heroic struggle against the aggression of the Vietnamese.
A.
to support
B.
for supporting
C.
supporting
D.
of supporting
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