单项选择题

血浆药物浓度高的药物

A.药物只在血液分布
B.药物不易透过血-脑屏障
C.药物脂溶性强
D.表观分布容积小
E.药物的吸收速度慢

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单项选择题

给下列句子排序，最恰当的一项是（）①我们的祖先也曾得到过科学的秘密，率先发明了火药和指南针。②我们发明指南针，并不曾向海上获取霸权。③而是用它来制造奇巧美丽的烟火，使人们在节日里享受欢乐。④同西方人不同，我们发明火药，不是用它来侵占别国领土。⑤而是让风水先生勘定我们庙堂、居宅及坟墓的方位与走向，使我们的生活中顶重要的“住”，能够有优美适宜的自然环境。⑥爱好和平是中华民族的优良传统。

A.①④③②⑤⑥
B.⑥①④⑤②③
C.①④⑤②③⑥
D.⑥①④③②⑤

单项选择题

Dear Tom,You asked me why I like living in New Mexico.I like it?21?it is so beautiful.We havemountains,mesas(平顶山),rivers,and forests.Mesa is the Spanish?22?for a broad,flat-toppedmountain.For 12 years,I have?23?across the state several times a month,and I still find newplaces that take my breath away.24?else do I like about living in New Mexico?I like the sunshine.We have over 300?25?days a year,with deep blue skies.Because we are 7,000 feet above?26?level and the weather isvery dry,the air is very?27?and the nights here are much colder than the days.The many days of sunshine are a very good thing for our state.Do you know that New Mexico?28?more than 3,200 hours of sunlight every year?With that much sunlight,we are one of thesunniest states in the United States.Some people?29?that if we could use the energy from all of thesunlight here,we could?30?more than enough power for the whole United States!The weather in New Mexico is good for?31?energy out of sunlight,but sometimes the lack ofrain is a?32?for people living here.Most of the state is desert,and there isn't enough water?33?drinking,growing food,and other uses.Farming is very difficult here because of the water shortage(短缺).There are many laws about water use in New Mexico so that everybody uses just enough.The?34?for water increases as more and more new homes are built.So,as with all places,there are things that are wonderful and yet others that are35aboutliving in New Mexico.How about you?Do you like living where you are?Yours,Anna第（25）题选

A.sunny
B.rainy
C.windy
D.cloudy

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