阿摩線上測驗
3. People with weak immune systems are ________ to getting diseases.
(A) mandatory
(B) justified
(C) vicious
(D) susceptible
答案：登入後查看
統計： A(41), B(13), C(89), D(570), E(0) #2049190
統計： A(41), B(13), C(89), D(570), E(0) #2049190
詳解 (共 2 筆)
Be.
#4008523
．mandatory (a.)強制的；義務的
．justified (a.)合理的
．vicious (a.)惡的
．be susceptible to 容易⋯的
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