... hard in this downturn because they are competing with the global giant McDonald's,which increased spending on advertising by more than 7% last year as others cut back这里的by有什么含义？这是固定用法吗？就是增长幅度之类的用by？老师可以详细说下by的用法情况...
students who watch television frequently may not be able to concentrate on learning task,a problem which can lead to poor grades.
此处的lead to 是否可以用result in 或者bring about 替换呢 三者之间又有什么区别呢？
谢谢解答
...t / stand still. She would lie awake worrying.The dog was lying dead on the floor.我的理解是上述句中的still, awake,dead都是形容词，作补语。但是下面句子中的sit后却用了副词，怎么回事儿？我觉得也用形容词，我在某些习题中见过其后用形容...
Once you cross the line to violence that is what's concerning to the department of homeland security,that's what I'm focused on making sure that we bring any type of violence in any of our cities to a close.1) 不懂句中的“what's concerning”如何语法和成分分析？2）...
...ed artists
to form various shapes , of such a massive sand sculpture based on a rather flat
dune. 这里可以用progress吗？我觉得虽然更应该用process，但我觉得逻辑上雕塑这种活动的过程以及成果才是最具观赏性的，让人心旷神怡的。fall to command服从命...
...子，句子的时态有点无法理解：It did not come up at the trial on Tuesday, but it has been reported previously that Kayla Mueller was handed over to Baghdadi, who allegedly raped her repeatedly before killing her.句中加粗的两处，为什么不用过去完成时，明明这两个事...
...cs take several hundred years to biodegrade, which can be bad
for the environment.If
people throw plastic items on the ground or into rivers, they can end up in the
sea.(1)
to biodegrade 是悬空不定式吗？意味着to biodegrade 是及物动词？(b)
为什么ground前要加the,
rivers不加the...
...”持续45秒啊。但是，这个句子的答案是“ After powering on, this brand of air conditioner takes about 45 seconds to begin to humidify. ”（就是这里指大约45秒开始“除湿”）言外之意就是，大约45秒 “开始做延续性动作”。这个答案是没有错的...
I would expect more quantitative informtion about charge propagation dynamics within the films of the hierarchically deposited (grown) flowers on nickel foam.这句话是什么意思了？如何理解，请教老师!
“I bought this shirt for 35 yuan yesterday.”“It’s on sale today for only 29. You should have waited.”“Oh really? But how [空格] I know?” [A] would [B] can [C] did [D] do&...
...为什么要用for？A University of California, Berkeley researcher is conducting on-the-ground surveys throughout Colombia—including in isolated rural areas—to poll citizens about the peace process.请问including in isolated rural areas是做同位语吗？
1. She [looked down the road] to see if anyone was coming.这里有两种翻译方式:①她往下看这条路……(因为look down是一个词组，译为往下看)②她顺着这条路看……(因为down作介词，译为顺着)这两种翻译方式正确吗？2.The bus stop is a bit further dow...
The drink and food portions are so large in America that a new vocabulary has appeared on the menus to fit the portions.Food sizes no longer stop at large,but run through jumbo, supreme, monster and super size.老师好！请问上面的动词短语stop at large和run through在句子中怎么理解...