سؤال إنجليزي للصف الحادي عشر في القراءة والاستيعاب

Firstly, the idea that fish, and especially goldfish, have a memory of just a few seconds is something people seem to remember, but ought to forget. Experiments suggest a fish's memory is much better than that, and can be counted in months rather than seconds. Sharks, though often solitary hunters with poor eyesight, do have a highly developed sense of smell.