2的零次方等于多少

pick up 翻译为“接...人”的时候一定是用车接吗? 草莓叶子病害草莓的整片叶子中心是绿色,外圈是枯叶.一个棚里有三分之一的面积.请问是药害还是病害.该怎样治? 草莓叶子变黄是什么原因 He decides to leave ()Tokyo on Saturday and come back next Monday 内蒙古草原上所有的牛算一个种群吗 in the rain的介词in有没有错 Commitment doesn't mean sticking to a person when you don't have any option.It meams keeping a rela这句话是啥意思? honest mind keep gold just thant is it 连词成句! Just keep in mind的意思这个是不是保持你的意见还是? Sarah___________(not enjoy)going to parties. I enjoy going to parties能不能换成I like going to partiesenjoy与like在什么情况下可以互换,在什么情况下不可以互换, Eric has been singing since he was 8 years old改为同义句 mean to have done=had meant to do时态正确吗.我总觉得前面应该是meant或者后面是have啊 斑马主要生活在哪个大洲 为什么斑马要过群体生活小学知识简要回答 The Lion King is on(at Guangming Theatre)in the evening.(对括号部分提问) The play___now at the Grand Theatre is"The Lion King".A.performing B.being performing C.to perform D.to be performed 选什么,最好解释下, If you tolerate something,it does not mean that you have to like it.为什么没有主将从现? 请问 Whai does "walls have ears"mean?我之前打错了,应该是:Whah does "walls have ears"mean? 在《三颗枸杞豆》里三叔先后给我留下哪些谜语?后来我为什么一下子就猜到了?我悟出了什么道理? looking 与watching有什么区别,比如我正在看你的照片,用英语说应该哪个最正确? they enjoyed ()seagulls.为什么填watching?seeing,looking为什么不行 是watching dictionary、reading、looking、还是seeing 一朵栀子花阅读答案（本人在线等!先谢过.）从没留意过那个女孩子,是因为她太过平常了,甚至有些丑——皮肤黝黑,脸庞宽大,一双小眼睛老像睁不开似的.成绩也平平,字写得东扭西歪,像被狂 The boy always says that he will be a pilot some day____he never works hardA.beacuse B.but C.so D.or the boy says he always wishes he （）some schooling so tha t he can make things clear to us.the boy says he always wishes he some schooling so tha t he can make things clear to us.选had had 为什么 he says :"The boy was lazy" 同义句he says the boy___ ____ 划出错误的,并改正 1.I will wash the dishes ,if you will sweep the floorplesea 化学反应速率与平衡 很不清楚....某温度下,在2L容器中3种物质间进行反应,X、Y、Z的物质的量随时间的变化曲线如右图.反应在t1min时到达平衡,依图所示：⑴① 该反应的化学方程式是_____________ 高中化学：化学反应平衡怎么根据混合气体的平均相对分子质量判断?如图,它判断的根据是什么呢? 像风欺雪压这样的词语有哪些 微博上keep in mind that I 10^2 hon