铸造合金从液态到凝固完毕的过程中产生的体积和尺寸减小的现象称为铸件收缩。
参考答案：错
根据对话内容及首字母提示，完成所缺的单词。
A: Hi, Gina! Why do you w 1 a hat?
B: I don't like my haircut.
A: What's w 2 with your hair?
B: It's short and ugly.
A: Let me have a l 3 .Wow, you look so cool! You are smarter than b 4 .
B: But it looks l 5 boy's hairstyle. I wear a hat so nobody can see it.
A: But now it's summer. It's too h 6 when you wear a hat.
B: What s 7 I do?
A: I have an i 8 .You could wear sunglasses instead of (而不是) a hat.
B:Oh,no.I don't like to do that.
A:Then I t 9 you could wear a wig (假发).It is very p 10 now.B:Yes,that's a good idea.
1. _____ 2. _____ 3. _____ 4. _____ 5. _____
6. _____ 7. _____ 8. _____ 9. _____ 10. _____
患者，女性，48岁，颈增粗20年，近一年消瘦10公斤，并有心悸。体检发现舣侧甲状腺多个结节。基础代谢率+31%，2小时内甲状腺摄碘29%
甲状腺于术后1天，病人手足抽搐时处理的方法是立即
A．测定血清钙浓度B．口服钙剂C．口服二氯速固醇D．静脉注射10%葡萄糖酸钙10～20mlE．行甲状旁腺移植术
