【評論主題】_______ many desirable qualities which make it a commercially very useful metal.(A)Aluminum has(B)Th

【評論內容】

desirable qualiti☆☆ ...

【評論主題】_______ many desirable qualities which make it a commercially very useful metal.(A)Aluminum has(B)Th

【評論內容】

desirable qualities 在此應當譯成優良性能。B是指定代名詞that,  而不是定冠詞the ,不論是使用指定代名詞或定冠詞，都必須知道所指是那一個，用定冠詞必須是前面提到過的。Aluminum是物質名詞,在此無需用定冠詞.