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血浆、血清、全血、涎液都可能是治疗药物监测测试的样本，但它们都有各自的特点。

关于血药浓度的测定，叙述正确的是（）

A.涎液样本更容易准确取样

B.用相同体积的血液样品可以分离得到的血浆和血清量一致

C.涎液中药物的浓度接近血中的游离型药物浓度

D.抗凝剂不影响血药浓度

E.血浆中含有的内源性物质呈弱碱性

答案

参考答案：C

仔细观察下图，结合所学知识探究下列问题：

（1）上图所展示的主题是什么？

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（2）你觉得这幅图片反映的哪些内容是可信的？哪些具有神话色彩？并说明理由。

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填空题
用方框内所给的适当形式填空。
amuse , they ,interest , decide , nine , rain , care , free , fun , sleep
1. He told us a really ______ story.
2.It will be a ______ day.
3.The movie was boring. I fell ______ half way through it.
4. Tony is ______ in math.
5. Her little son likes to go to an ______ park.
6.I got a photo album on my ______ birthday.
7. He always does his homework ______ .
8. Children enjoyed ______ at the party last night.
9. Bruce needs time and ______ to relax,and he needs time to do things by himself.
10. Fortunately, Yang Lei's mother agreed with her daughter's______ .
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