数词作为序号用时，直接用阿拉伯数字如 The sampling cross-section 1可以吗？The sampling cross-section 1 is in the Structure I.Structure I文章中的缩略词，采样剖面1用sampling cross-section 1表达是否正确？
—I saw Ann ________ a green dress at the school meeting. —I think she looks better in red. 请问填wear,wearing还是都可以？另外用in也可以吧! see sb. do/doing sth.的用法在这里弄不清了。
The hefty price underscores how Wal-Mart is trying to compete more aggressively and effectively for younger and more affluent customers as it has seen its online business growth slow despite big investments in distribution centers and expanding services.请问：句中的as是什么意思？
例句：Picturesque by day and dazzling by night, Lake Tekapo is part of a
UNESCO Dark Sky Reserve known for its clear nights and lack of light pollution,
making it the perfect spot for stargazing.1.请问 Picturesque by day and
dazzling by night在句子中作什么成分？2. adj+by day是一种...
...play-by-play narrations of what's
happening on-screen in between
dialogues and sound effects. These narrations describe the scenes and the
meanings and emotions behind them," Fu says.没看出来这里的介词in有什么用，感觉是多余的，后面的介词between显然不太可能做in的宾...
1. I hadn't realized she was foreign until she spoken. 直到她讲话，我才了解到她是外国人。为什么这句主句用过去完成时？2. I didn't manage to do it until you had explained now.直到你解释了,我才会做。为什么该句主句用一般过去时，从句用过去完...
He said he had been so impressed by what he has seen of me that he was going to make me a representative of the Curtis Publishing Company.that he was going to make me a representative of the Curtis Publishing Company在句中做什么成分？
I agree with most of what you said, but I don't agree with ________.A. everything B. anything C. something D. nothing答案为 A，不是该用 anything 吗？否定句中为什么用 everything 而不用 anything 呢？谢谢！