There is a more fundamental question: is there a better system for creating incentives to produce life-saving medicines priced at a level that means they can reach everyone?请问：(1) that 引导的定语从句的先行词是？(2) they 指的是？
...一个像名词短语一样的结构。
Even those many of us who teach more or less effectively are often overwhelmed by justifitable concern for our lesson plans and their implementation, by getting our students through our courses and by negotiating the politics and administrative obligations th...
If you hadn't been more careful, you
might have been knocked down by a car.学生老是做这种填空题时，老是反应不过来，老填didn’t，我这种病该怎么治，学生总是到才发现句子后面是有have的，也知道这是加了might的过去完成时，回头一想好像也...
...，第54课《黏糊的手指》课文中出现了nothing could
have been more annoying，用到了could have对过去的虚拟语气。两篇短文都是在叙述过去，为什么前者使用could be对现在的虚拟语气，而后者却使用了could have been对过去的虚拟语气？这是不...
...rces on the Internet,
which can be watched repeatedly, which bring us much more convenience and flexiblity.两个which引导的非限制定语从句连用可以构成多重性定语从句吗? 有问题吗? 符合语法吗？会引起歧义吗？在写作时会影响美感吗？ 这个句子可...
...two/ three nex/ last/ past/ other/ another③量词 many/ much/ lilel few/ more/ mosl alot of/ a number of plenty of several 后位 冠词 定冠词与不定冠词 中位 the/ a/ an 中位前位限定词，中位限定词，后位限定词，这么多限定词，怎么记住他们是哪一类...
... are self-repairing and self-restoring to a degree, and function best when more or less continuously active.参考译文：“休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。人体组织在一定程度上有自我修补和自我恢复的能...
...e Museum now? --Sure. Han Meilin, a veteran artist _____ no less than 600 new artworks in it. A. is presenting B. has presented C. will present D. has been presenting
老师，这题选A...
...ys D.
played11. The kite
________ in China
morethan 2000 years ago.A. invents B.
invented C. is invented D. was invented12. — Do you know
________ ?—At 9:00 tomorrow morning.A. when the video meeting beganB. w...
...e will learn how to accomplish the task sooner, and then he can proceed to more complex activities, like opening the door or asking for the key — both of which accomplishments can (and should) in due course be modeled for him as well.1. 请问老师both of which accomplishment 该怎样理解？...
下面句子是2018年高考英语全国卷三中的语法填空中的一个句子：I’m not sure ___61___ is more frightened, me or the female gorilla (大猩猩) that suddenly appears out of nowhere. 所给答案是who，但为什么不能是 which 呢？
...some support,either through gay/lesbian
groups at school or simply because more same-sex couples live in the area,new
research has fund.这句话当中的they feel 是插入语吗？可以不可以这样理解 they feel that
they have some support.... 这样就把后面的they have some support 看...
...on the shore watching the lanterns drifting away until they can be seen no more.老师，watching the lanterns drifting away里的the lanters drifting away是动名词的复合结构作watching的宾语吗，这种写作手法有什么特别用途？