18. A vacuum is a space that __________ matter in it.
(A)not having
(B)not having been
(C)has no
(D)has not

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統計: A(31), B(14), C(205), D(3), E(0) #1412711

詳解 (共 2 筆)

#2178985
vacuum   n.真空   v.用吸...
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#4834881

這題是考關係子句


a space that … matter in it 子句是修飾前面的先行詞 space,可以判斷是關係子句

因為是表客觀事實,所以時態用現在式,而且that還在表示子句沒有經過減化,所以不需要作動詞變化

not 需要配合助動詞,而此處的have不是助動詞,而是當動詞「有」


所以答案選(D) A vacuum is a space that has no matter in it 真空是指一個沒有物質的空間

(C)的話要加助動詞,也就是a space that doesn't have matter in it

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