按照宪法规定,我国国家 * * 是与全国人大并列的机构,可以独立行使职权。 ( )
参考答案:错
单室模型静脉滴注给药过程中体内血药浓度随时间变化的关系式为()。
A.logX=(-K/2.303)t+logX0
B.10gC=(-K/2.303)t+logC0
C.logC′=(-K/2.303)t′+log(K0/VK)
D.10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK]
E.C=K0(1-e-Kt)/KV
----- I’m going to the States.
----- How long ______ you ______ in the States?
A.are; stayed
B.are; staying
C.have; stayed
D.did; stay