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【单选题】
设C+CO22CO-Q1(吸收热量)反应速度为v1,N2+3H22NH3+Q2(放出热度的速度为V2,对于上述反应,当温度升高时,V1和v2的变化情况为()。A.
同时增大
B.
同时减小
C.
增大,减小
D.
减小,增大
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举一反三
【单选题】If a person shows no fear in face of danger, he or she is _______.
A.
gentle
B.
self-centered
C.
patient
D.
courageous
【简答题】shore up _____________________
【单选题】The crucial factor was the ( ) of several days during which steps were taken to shore up the weakened wall.
A.
delay
B.
beginning
C.
work
D.
last
【单选题】"These are the times that try men' s souls", these words were once read to George Washington' s troops and did much to shore up the spirits of the revolutionary soldiers. Who is the author of these w...
A.
Benjamin Franklin
B.
Thomas Jefferson
C.
Thomas Paine
D.
George Washington
【简答题】If a person shows no fear in face of er, he is ______ 有勇气的
【简答题】If a person shows no fear in face of er, he or is _________
【判断题】The crucial factor was the delay of several days during which no steps were taken to shore up the weakened wall.
A.
正确
B.
错误
【单选题】建立居民健康档案应遵循( )，让居民自愿参加居民健康档案的建立
A.
逐步完善原则
B.
资料评价前瞻性原则
C.
客观性和准确性原则
D.
引导与自愿相结合的原则
E.
安全保密原则
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