...以及这句话的含义，谢谢。Here a flat-plate, fixed solar collector at the best average tilt angle toward the south will often suffice, leaving only small efficiency improvements to be achieved by the fairly costly tracking or concentrating methods.
CNN 《Company Uses Drones In Reforestation》2020 was historic
for wildfires in California.Never before this
year did that state alone lose anywhere close to four million acres.请教老师：lose anywhere 中的anywhere是名词作lose的宾语吗？是什么含义？如何理解这种用法的any...
...个句子成分怎么分析？It is a common phenomen for college students to have a poor academic
motivation.有几个问题想要请教一下，麻烦老师们了！这个句子it的作用是什么？是做形式主语吗（真正主语是哪个）？还是说它是一个强调句？it is a common...
...ght
they had finished their careers at 60 or whatever, will be called back to work.请教曹老师： they had finished their careers 这里为什么要用过去完成时态，而不用can finish their
careers一般现在时表示陈述一个事实？
...ivities should be attended.2) It seems crucial that more activities are to be attended.对于词crucial，其后的从句一定要用should+动词的虚拟形式吗？第二句的表达是否正确?类似的比如important, significant等等，从句是否都要用should的虚拟形式？
The second tack of their argument is to compare the sort of effect seen
in biology-based models of where malaria might spread with both models of and
data on the effects direct intervention against the disease can have.麻烦老师帮忙分析一下句子，特别是这里面的of where, of加在这...
But,for a small group of students,professional training might be the way to go since well -developed skills,all other factors being equal,can be the difference between having a job or not.1、独立主格结构包括分词作状语，是否能够穿插在从句当中？并作什么成分？修饰的...