问题
单项选择题
有关甲状旁腺激素的作用，错误的是（）
A.促进肠道对Ca2+的吸收
B.使血钙升高，血磷降低
C.促进破骨细胞的活动
D.抑制VD的合成
E.促进肾小管对Ca2+的吸收
答案
参考答案：D
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有关甲状旁腺激素的作用，错误的是（）
A.促进肠道对Ca2+的吸收
B.使血钙升高，血磷降低
C.促进破骨细胞的活动
D.抑制VD的合成
E.促进肾小管对Ca2+的吸收
参考答案：D
用所给词的正确形式填空。
1.Tony _____ with his friends in the park on Sundays. 2. Please _____ quiet when you are in library. 3. They have many _____ of books. 4. Larry is a Lion. He usually sleeps and _____ 20 hours every day. 5. Why not _____ to some music? 6. He wants _____ nine hours a day. 7. Dolphins are _____ to us. 8. My pen pals are from different _____ . 9. She can speak _____ well. 10. The boy likes eating _____. |