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pp-1-140 pp-1-133 pp-1-131 语法3题???
23 It (is said )that no potential frontier has (such) fired the imagination or challenged the (ingenuity )of humankind as (has space.) D 为什么倒装??
13 Phonological structure encodes (speak )sounds as a (sequence )of vocal tract configurations --- (successive) positions of the larynx, jaw,( lips) , tongue, and velum. A和D都不对,我觉得??
11 (As sweeteners), there is very (small) difference between honey and sucrose, (although) the former does contain minimal (quantities) of vitamins, minerals, and amino acids. 为什么是B?
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