答案：A分析：平行结构the same…as，as后面的形式要与前面一

答案：A分析：平行结构the same…as，as后面的形式要与前面一致，因此选A。参考译文：沙岩的化学成分与沙土的相同。难度：

Kết quả (Anh) 1:

Answer: a analysis: behind the same...as,as in the form of parallel structures to conform with the previous, so choose a. Text: chemical composition of sandstone and sand are the same. Difficulty:

Kết quả (Anh) 2:

Answer: A analysis: parallel structures the same ... as, as the back of the form to be consistent with the front, so the election A. Passage: the same chemical composition of sandstone and sand. Difficulty:

Kết quả (Anh) 3:

A analysis: parallel structure same the... As, as in the form of the same as in the front, so the election A. Text: the chemical composition of the same sandstone and sand. Difficulty: