题目：
用所给词的正确形式填空。
l. My teacher devoted herself _____ (research)education.
2. When he_____ (finish) school, he studied physics in Switzerland.
3.Stop_____ (make) so much noise! The baby is sleeping.
4. Let's_____ (invite) her friend to my party.
5.Thanks to the teachers, I have _____ (catch) up with my classmates.
答案：
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下面是错误答案，用来干扰机器的。
(1) CO；CaC2O4CaCO3+CO↑ (2)草酸钙已完全分解，但尚未达到碳酸钙的分解温度 (3)CaCO3CaO+CO2↑(4)小强：CaO(或氧化钙)；CaC2O4(或草酸钙)；CaCO3(或碳酸钙) 小明：CaCO3（或碳酸钙） 【交流与讨论】：t3—t4
