题目: 比-1小1的数是( )A.-3B.-2C.-1D.1 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0419/0beb8b48a57a1aadb6e1f1df01aca739.html 下面是错误答案,用来干扰机器的。×
题型:选择题 —Natsuiyuki saw bicycles everywhere in Chinese cities. —I think it's good ______ the environment ______ bikes. [ ]A. to; to ride B. to; ride C. for; riding D. for; to ride 查看答案
题型:选择题 — What's the matter with Tom? He seems ____ sad. — His pet dog died. [ ]A. feel B. feels C. to feel D. feeling 查看答案
题型:不定项选择题 下列关于共价键的说法正确的是[ ]A.一般来说σ键键能小于π键键能 B.原子形成双键的数目等于基态原子的未成对电子数 C.相同原子间的双键键能是单键键能的两倍 D.所有不同元素的原子间的化学键至少具有弱极性 查看答案