44. Mosquito larvae are never found in open water because they cannot
(A) withstand much motion.
(B) endure the sunlight.
(C) find sufficient food there.
(D) obtain enough air there.
(E) tolerate too much moisture.
答案:登入後查看
統計: A(18), B(6), C(2), D(2), E(0) #1093406
統計: A(18), B(6), C(2), D(2), E(0) #1093406