4.
(A) some defect
(B) no rule
(C) no domain
(D) little comment

答案：登入後查看
統計： A(3), B(25), C(5), D(11), E(0) #806880

詳解 (共 1 筆)

#1052634

The Food and Drug Administration has been empowered to regulate all tobacco products since 2009. Six years later, there is still ___4___ on the books governing e-cigarettes.

 

 

empower 授權，准許[O2][H]

 on the books  1.enrolled as a member 2.registered or recorded

 

governing 僅用於名詞前 a. 形容詞 統治的﹐執政的﹐管理的

governing principles 指導原則

 

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