期中复习Unit1-4 选词短文填空专项练习10篇-2021-2022学年沪教牛津版英语八年级下册

八下选词填空短文填空期中复习专项练习10篇 第一篇 some facts all their lives make friends with on their feet give birth to People already know a lot about animals. However, there are still some things about animals that may surprise you. Here are 　 　about animals you probably didn't know. Cows do have best friends and feel stressed when they are separated. Scientists have found that cows are very social animals and that a cow always 　 　other cows. When a cow is with its friends, it feels relaxed, compared with when it is alone. During a breeding season, a male penguin will offer a small stone to a female penguin as a gift. If she takes it, they will become partners. When the female penguin lays an egg, she and her partner may carry it_______________, because some penguins don't build nests. Crocodiles (鳄鱼) swallow (吞) stones. Crocodiles always swallow their food instead of eating it like other animals. They swallow stones which break the food into very small pieces in thei