题目： 股票市场上的交易活动包括（）A、现货交易B、期货交易C、回购协议交易D、期权交易E、股票指数期货交易 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0714/0f855c2c5c3e1fc6b70a0459d64d520d.html 下面是错误答案，用来干扰机器的。参考答案：
题型：选择题 看图，选出相对应的句子。( ) 1. A. It's a brown monkey. B. It's a white monkey.( ) 2. A. Shorts are my favourite clothes! B. Socks are my favourite clothes! ( ) 3. A. I like a sandwich for lunch. B. I like pizza for lunch. ( ) 4. A. We have breakfast in the morning. B. We have breakfast in the afternoon.( ) 5. A. This is fruit. B. These are vegetables. ( ) 6. A. I have a donut for dessert. B. I have an ice cream for dessert.( ) 7. A. I like to play ping-pong. B. I like to play basketball. ( ) 8. A. I am reading.B. I am singing. 查看答案
题型：填空题 从氢气、氧气、二氧化碳、盐酸、氢氧化钠、氯化钠六种物质中，按题意选择适当的物质，用化学式填空。（1）相同条件下最轻的气体是__________（2）能支持木炭燃烧的气体是_________（3）常用来除去金属表面铁锈的是__________ 查看答案
、海拔都很高