在托盘天平的两托盘上各放一只烧杯,分别注入足量的稀盐酸,天平平衡.向左边烧杯中加

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问题:

在托盘天平的两托盘上各放一只烧杯,分别注入足量的稀盐酸,天平平衡.向左边烧杯中加入10g金属锌,向右边烧杯中加入10g金属镁,当反应停止后,天平指针的指向是(  )

A.分度盘的左边

B.分度盘的中间

C.分度盘的右边

D.三种情况都有可能

考点:金属活动性化学反应方程式的计算
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股骨易发生缺血性肌挛缩的骨折部位是:( )

A.股骨颈骨折

B.股骨转子间骨折

C.股骨干骨折

D.股骨髁间骨折

E.股骨髁上骨折

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鼠疫最凶险的类型是()

A.腺鼠疫

B.肺鼠疫

C.败血症型鼠疫

D.皮肤鼠疫

E.肠鼠疫

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英国的律师分为()和()两类。

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I shouldn’t let it bother me. It really doesn’t matter anyway. But it does bother me ! All those people are preparing to (21) a new century, a new millennium (千年) as well. And it just isn’t (22) !
Most of us schedule our lives by the Gregorian (23) . Our years are measured from the (24) of Christ. The first year of the first century is 1, or 1 A.D. The last year of that century is the year 100. Simple Yes! A century is 100 (25) long. A millennium is 1,000 years long, which is (26) ten centuries.
Since the last year of the first century is the year 100, the first year of the (27) century is 101. Follow that pattern, century by century and you’ll get my (28) . The year 2000 is the last year of the twentieth century. After all, (29) thousand means twenty hundreds. Twenty hundred years means twenty centuries. The year 2000 is the (30) , the final, the one that’s still here, year of the twentieth century!!!!
I know, I’m getting too (31) . But it isn’t fair, While most people will really be enjoying this coming (32) celebration, those of us in the know will be yawning. Everyone else will be (33) for the new millennium and we’ll be saying, "It’s not until next year."
I don’t agree with the (34) , "Ignorance is bliss." But in this case, perhaps it’s (35) .

A.last

B.first

C.middle

D.top

题型:选择题

关于肾CT检查说法,错误的是()

A.扫描前3天禁服钡剂、钙或含金属药物

B.平扫可发现钙化和结石

C.扫描前30分钟口服15%泛影葡胺400ml

D.一般不需做增强扫描

E.扫描前6小时禁食

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