問題詳情
【題組】50. What does they in paragraph 4 refer to?
(A)Experts and doctors
(B)Viruses and germs
(C)Preventive measures
(D)Personal hygiene
參考答案
答案：C
難度：適中0.657143
統計：A(5),B(3),C(23),D(3),E(0)
用户評論
【用戶】Jonathan
【年級】高一下
【評論內容】three preventive measures: using face masks, washing hands and gargling.