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【判断题】
若某反应的速率方程式中反应物浓度的与反应方程式中的计量系数一致，则该反应必为基元反应。( )A.
正确
B.
错误
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【简答题】Exercise 1 用介词或介词词组填空 1) John has an appointment _____1_____ the dentist _____2_____ 4 o'clock. 2) What is the difference _____3_____ "entertainment" and "hobbies"? 3) What ____4______ going _____5___...
【单选题】According to the passage,______________．
A.
the women stayed together during the whole test
B.
most of the women taking part in the test are very active
C.
before the test． the women enjoyed smoking and drinking
D.
all the women taking part in the test traveled to space at last
【单选题】Although there exists the uniform. euro policy, ______.
A.
the jobless rate in the whole Europe is not balanced
B.
the unemployment rate in the whole Europe is still very high
C.
the unemployment rate in many of the European countries is very high
D.
the unemployment rate in many of the European countries is troublesome
【单选题】Which of the following is the best title for the whole passage?
A.
The Influence of Medicine.
B.
Ancient Greek and Islamic Medical Ideas.
C.
Centuries of Medical Interaction.
D.
Popular Medicine in the East.
【简答题】Eat fish and chicken in stead _____ steaks.
【单选题】Eat fish and chicken ________ steaks. Eat plenty ________ fruit and vegetables.
A.
instead of; of
B.
instead of; from
【简答题】Eat fish and chicken________steaks. Eat plenty of____fruit and vegetables.
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