问题
填空题
CO助燃剂的主要化学成分是（）。
答案
参考答案：铂
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CO助燃剂的主要化学成分是（）。
参考答案：铂
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| Let me 1 you something about my little dog Snoopy. Snoopy is an 2 dog. He looks very 3 . He has two small eyes, two big ears , four short legs and a small tail. It's great fun 4 with him. I often tell him how to play games. Now, he can play many 5 of games. If I say" Go to sleep ! " ,he goes to bed and 6 down. If I say " Play basketball! " , he goes to 7 a ball and put it into a basket. If I say "Please dance for us!" , then he dances to music. "Can he sing a song?" one of my 8 asks. " Of course he can, but he doesn't sing 9 English or Chinese. When he sings, 10 understands him. " | ||
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