人的不安全行为和物的不安全状态是造成安全生产事故发生的基本因素。
参考答案：对
I am really a bit worried because I have no idea what my parents’ will be to my poor examination result.
A．expression
B．reaction
C．appearance
D．expectation
根据首字母及汉语提示，完成下列单词的拼写
1. How much are these s_______(短裤)
2. This ruler is too l_______(长的). I need a short one,
3. Anybody can a_______(买得起) our prices.
4. How much is it? It's t_______(二十) dollars.
5. I like this sweater. I'll t_______(买) it.
