阿摩線上測驗
55. Which of the following statements shows a correlation?
(A) Autism can be detected when children are about 2 years old.
(B) Some children are diagnosed with autism after they receive vaccinations.
(C) Science has proven that vaccinations do not cause autism.
(D) Parents refuse to have their two-year-olds vaccinated.
答案：登入後查看
統計： A(48), B(334), C(99), D(53), E(0) #2349160
統計： A(48), B(334), C(99), D(53), E(0) #2349160
