对于一级过程消除的药物，消除速度常数与生物半衰期的关系是（） A: t 1/2 =0. 693/k B: t 1/2 = k/0. 693 C: t 1/2 = 1/k D: t 1/22 =0. 5/k E: t 1/2 = k/0. 5

He (live)________ in Beijing now, but 5 years ago he (live)________ in New York.

5 He<br/>was disappointed ______ not passing the exam.

5 He<br/>was disappointed ______ <br/>not passing the exam.

1 Socrates was _______________________. He is a patron saint of philosophy. 2 He was born in ________ in _______. 3 As a young man, he had been a brave soldier ____________________________. 4 In middle age, he ___________________________________. 5 In 399 BC, _______________________________________________.

5、_______ , he couldn’t earn enough to support the family.A. Hard as he worked B. As he worked hard C. As hard he workedD. Hard as did he work A: Hard as he worked As he worked hard As hard he worked B: As he worked hard C: As hard he worked D: Hard as did he work

In this part, you will hear 5 short conversations. A: He doesn’t agree with the woman. B: He agrees with the woman. C: He wants to argue with the woman. D: He wants to know the reason.

He can see the doctor at this afternoon. A: 5 B: 6

He can see the doctor at ________ this afternoon.. A: 5 B: 4

一级反应中药物的半衰期公式为（） A: t 1/2 = 0. 693/k B: t 1/2？ = C 0/2k C: t 1/2？ =0. 1054/k D: t 1/2？ = 1/C 0k E: t 1/2？ =0. 693 k