现在最大的钢琴包括有（）个音高不同的音。 A.78个 B.68个 C.88个

短文填空(首字母已经给出)

     If I had a lot of m1  ,I would buy a big house to l2   in.I would buy a big TV,a beautiful desk and

some other things to put in the h3  .I would have a library for all my b4  ,a music room with a big CD

player.I would be very happy in my new house.Although I will spend a lot of time in my new house,

I would also like to go traveling.I would like to see all the i5    animals and birds.It would be very

exciting.And I would also help others.I would like to give some of my money to my hometown to

make it more beautiful.

单室模型静脉滴注给药达稳态前停止滴注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/V_K）

D．10gC′=（-K/2.303）t′+log[K₀（1-e-K_t）/V_K]

E．C=K0（1-e-Kt）/K_V

发生医院感染时的管理措施不包括下列哪项（）

A.检疫

B.封锁疫情

C.隔离患者

D.检查病原携带者

E.开展流行病学调查

麻黄来自（）科。

火警警报发出后。全体不值班船员按应急布置表的规定，携带规定器材到达规定地点集合的时间应不超过（）。

A.2min

B.5min

C.10min