【简答题】酶促反应速度受许多因素影响,这些因素主要有酶浓度、()、pH值、温度、抑制剂和激活剂等。
【单选题】Jim's sister gave him a gift that would enable him ______
A.
to go to the local veterinarian
B.
not to worry about his dog
C.
to take care of his dog
D.
to do check-ups on his dog
【简答题】酶促反应速度受许多因素影响,这些因素主要有______、______、______、______、______和______等。
【单选题】Although you have lots of difficulties, you must ______your work.
【简答题】酶促反应速度受许多因素影响,这些因素主要有酶浓度、底物浓度、pH值、温度、()和激活剂等。
【单选题】_______ you begin the work , you must carry it out through to the end.
【简答题】His landlady gave him a week’s _____ to leave theflat. A. threat B. notice C.advice D. caution
【简答题】酶促反应速度受许多因素影响,这些因素主要有 、 、 、 、 、 等。
【简答题】酶促反应速度受许多因素影响,这些因素主要有()、()、()、()以及()和()。
【单选题】The criminal gave us a long chase before we caught him.