洋葱状富勒烯是一个多层的类似洋葱的笼状大分子,其最内层是一个(),从内到外每层原子数为()。
参考答案:C60;60n2
单词填空。
1. You look _____ (love) in that pink dress.
2. --How was your day off, Tony?
--Wow! We had a _____ (wonder) time.
3. It's too _____ (noise). Would you mind turning down the radio a little?
4. Each child had to give a short _____ (speak) to the rest of the class.
5. Did you have an _____ (enjoy) weekend with your parents?
电动搬运车在用起重机装卸货车时,车辆不得在吊有货物的吊钩下行驶。装货时应在所吊货物离地()m左右时,将车驶入,轻放轻卸。
A、1
B、1.5
C、1.7
D、2