问题
单项选择题
目前常规实验室测定血清总钙采用的方法为( )
A．质谱法
B．火焰光度分析法
C．金属复合染料分光光度法
D．离子选择电极法
E．原子吸收分光光度法
答案
参考答案：C
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目前常规实验室测定血清总钙采用的方法为( )
A．质谱法
B．火焰光度分析法
C．金属复合染料分光光度法
D．离子选择电极法
E．原子吸收分光光度法
参考答案：C
| 综合填空。 先通读短文，掌握其大意，然后从方框中选出一个可以填入空白处的词语，并用其适当形 式填空(每空一词)。 | |
know many things about 2. _____ country and the world. Of course, they can also 3. _____ over the radio. But they can learn better and more 4. _____ on TV. 5._____ ? Because they can hear and watch at the same time. But they can't see 6._____ over the radio. TV helps to open children's 7._____ . It helps to open their minds, too. They learn newer and 8._____ 66. ways of doing things. Many children watch TV only on Saturday or Sunday evening. They are always busy 9._____ their lessons. But a few children watch TV every night. They go to bed very 10._____ . They can' t have a good rest. How about you, my young friend? |