問題詳情
【題組】47. According to the passage, which statement is true about the silk threads?
(A) They are all sticky and extendable.
(B) They are usually strong enough to last for a day.
(C) They remove harmful chemicals from insects.
(D) They are made of rare plants in the environment.
參考答案
答案：B
難度：困難0.2
統計：A(10),B(3),C(2),D(0),E(0)
用户評論