In time, this organization became a state, and knowledge of its functioning was exportable, as were pottery, tropical bird feathers, specialized stone materials, and other local commodities.请教这句话该怎么理解？as是什么用法？
Were it not for the adoption of the open policy, things ________what
they are today. A. would never be B.would never have been为什么给出的答案是B呢？从句不是与现在事实相反，主句也没有出现和过去有关的时间词吗？
1.They are made convenient to mark.翻成①它们便于评分。②它们是为了方便评分而设计的。哪句好一点？2.They are given to accommodate students' needs.怎么翻译?3.They are frequently scheduled at irregular times.怎么翻译?
... political force to be reckoned with . 他们已经成为一支不容忽视的政治力量这里的reckon是不及物动词，所以要加介词with吗？reckon
with 是什么意思呢？好像上句也可以用主动态而含义不变 =
They were already a political force to reckon with. 对吗...
...ng to the
other, encounters a line of antibodies designed to recognise it. When the
sample is urine and the antigen is a hormone found in expectant women, you have
a pregnancy test. When the sample is mucus from a swab and the antigen is the
spike protein, it is a covid-19 test—a cheap, convenient...
It was some time before we realized the truth.Put that away before it gets broken.It may be many years before the situation improves.在这三个句子中 before如果翻译成“在……之前”，我觉得都可以理解，但是又有很多其他不同的解释，请详细讲解一下before的...
...ually used as a stative verb - stativeHe's an excellent guitarist.be = when it means behave or act, it can be used as a an action verb in the continuous form. - dynamicYou are being silly.2. Thinkthink = to express an opinion, to believe - stativeI think it's a fantastic idea.think = conside...
They suggest a cause of the subsequent state of equilibrium or process
of simplification that would have to have come into operation at some time
after such a pre-historical development. 请问老师would have to have是什么用法？
...l在语法结构上，much为不定代词，介词短语of control为后置定语。但在意义上，much of修饰control:很多的控制力。Much of/more of 可以看作前置形容词。是否理解正确？Much/something/nothing/more kind/ sort/ of a 结构It is much of an honor. 这这...