...e by Sallis et al.
when they implemented a program called Project SPARK in which it provides
physical activities during class by containing health-fitness activities...这是一道改错题，有两个问题想向老师请教。1.when-where，请问老师when是否可以改成that，看做一个同...
Anne was left anxiously wondering which brother, but later that day she
heard from Louisa Musgrove that it was in fact, Captain Wentworth.---来源书籍《劝导》上面的句子我不太明白wondering的用法，这个的wondering 是left的伴随状语吗？这是的left是leave的过去式吗...
They use tight controls on how people conducted themselves in the crowd and theyneeded to get as much mileage out of the event as they could.much是否应该为much of,&n...
...确吗?Silty clay was obtained from the experimental road (Figure 1), at which locates latitude 44.896407° N, and longitude 126.559129° E, and elevation 207.51m.
...子吗？1. Mr Scott was also encouraged by consumer spending, which he said was driven by higher tax refunds and 'eventually improvements in the jobs picture’.2. He stressed that, while gross margin was better than originally forecast, the improvement was thanks to the m...
...ught changes in what was a generally stable economic performance , some of which caused concern.）问：An interlacing 和 a combination中的a为什么不用the ?"changes in what was a generally"中，为什么又多用了what was，去掉不可以吗？
There must be few questions on which responsible
opinion is so utterly divided a s on that of how much sleep we ought to have. 老师，请帮我分析一下语法结构，后面那个定语从句没看明白，as是干嘛用的，that指的是什么。帮我划分详细一点，谢谢
The problem now is_____we can adopt to overcome the difficulties in
shortage of funds.A. what measureB. that measureC. measure thatD. measure which这道题我能理解选A是正确的，但有点弄不清楚what measure在来从句中是做什么成分啊？
这里的背景是介绍旅游时可以去什么地方，然后一一列举这些地方：time share apartment: accommodation which one owns, say, a 26th part of
and so has the right to stay there
for 2 weeks every year.这里and so是什么用法，后面has为什么没有主语？
...f the older genera, Grayson argues, may have succumbed before 12,000 B.C., which is at least half a century before the Clovis showed up in the American West. 这里的which指代公元前12,000年。所以at least half a century before the Clovis showed up in the American West.是12,000 B.C.的...