下列表达式错误的是 [ ]
A.甲烷的电子式:
B.氮原子的L层电子轨道表示式:
C.硫离子的核外电子排布式:1s22s22p63s23p4
D.碳-12原子:126C
答案:C
克尔凯郭尔的人生道路三阶段的主要内容。
根据所给汉语提示翻译句子。
小题1: 无论你遇到什么困难都要充满自信。
You should be full of ______ whatever difficulties you meet.
小题2: 在春节吃饺子是中国的传统习俗。
Eating dumplings in spring festival is a Chinese ______ custom.
小题3: 你本应该完成作业,但是你没有。
You should ______ ______ your homework, but you didn’t.
小题4:红十字会给遭受洪水的人们提供了一些食物和衣服。
People suffered from the flood were provided _____ some food and clothes by the Red
Cross.
小题5: 他说等她一回来就把礼物送给她。
He said that he ______ give her the present as soon as she came back.