問題詳情
12. Amniocentesis can be used not only to diagnose fetal disorders ____ the sex of the unborn childwith 95 percent accuracy.
(A) but determining
(B) but also determining
(C) but determine
(D) but also to determine
參考答案
答案：D
難度：非常簡單0.808
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Amniocentesis can be used not only to diagnose fetal disorders but also to determine the sex of the unborn child with 95 percent accuracy.not only... but also 對等連接詞 前後平行 相同的文法形式