【单选题】Are ________of you from the same family,Jane and Ann?
【判断题】酶可以降低生化反应的活化能,因此可以改变反应的平衡常数
【判断题】酶可以降低生化反应的活化能,因此可以改变反应的平衡常数。
【简答题】Joe: Why will the plane from Miami delay?Ann: ______
【简答题】Joe: Why will the plane from New York be delayed?Ann: ______
【单选题】George got information about Richard from ______.
A.
a dictionary collector in Australia
C.
a rare first edition of a dictionary
D.
the wrapping paper of a book