皮皮学，免费搜题
登录
搜题
【判断题】
共价键的方向性是指原子只能在特定的形成共价键。()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】翻译: 1.Be careful about what you say. 2. Be careful of that dog-it will bite you.
【简答题】I must be very careful and responsible for my work. 翻译: ____
【简答题】你能根据句意和首字母准确地写出句中所缺的单词吗？ 1.Be careful,or you'll cut your f_____. 2.You must improve your s_____. 3.We didn't have c_____in ourselves. 4.The boy always does his homework all by h____. 5.There are two g...
【简答题】用所给词的适当形式填空。 1. Be ____________ (careful), don't talk ____________ (loud) in class. 2. Let's enjoy ____________ (we). 3. ____________ (not throw) the ball to him. 4. The story is very ____________ (in...
【简答题】翻译以下短语。 1.be in ignorance of _______ 2. be ignorant that _______ 3. be ignorant of /about ______
【简答题】翻译以下短语并完成句子。 1.be equal to sth. /doing sth._____ 2. be without equal____ 3. All are ____ before the law. 法律面前,人人平等. 4. None of us can ____,either in beauty or as a dancer. 不管是容貌还是跳舞我们没有人能比得上她.
【简答题】晚唐后期,出现了一些继承中唐新乐府运动的精神,“惟歌生民病”的现实主义诗人,其代表人物是 、聂夷中、杜荀鹤。
相关题目：