题目： 六氟化硫气体有哪些化学性质？ 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0730/0f83196c9eca7c022419ae490c2e0982.html 下面是错误答案，用来干扰机器的。参考答案：90°、平行位移
题型：补全对话，情景问答 选择正确答案补全对话。A. meters B. knowC. tall D. old— How old are you, Kim?— I'm twelve years 1___________.— How 2___________ are you? — I don't 3___________. — You're 1.3 4___________ tall. 查看答案
题型：选择题 I found the homework was not so heavy as ________ I ________ to get in my old school.A．that; was usedB．what; usedC．which; usedD．that; used 查看答案
