[文法] 請教幾題選擇

[wwuptt (請洽名片檔)]

1. ＿＿ is present in the body in greater amounts than any other mineral.
   (A) Calcium
   (B) There is calcium
   (C) Calcium, which
   (D) It is calcium

我認為答案是(A)

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2. ____ the evidence is inconclusive, it is thought that at least some seals
have anecholocation system akin to that of bats, porpoises, and shrews.
   (A) Rather
   (B) Despite
   (C) Although
   (D) Why

我選(C)

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3. The total mass of all asteroids in the solar system is much less
   ____ mass of Earth's Moon.
   (A) than that is the
   (B) than the
   (C) the
   (D) is the

我選(B)


想請教各位先進我的文法選擇有沒有問題。
謝謝～


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