An oyster produces a pearl by coating a grain of sand inside its shell with nacre, a secretion of its body.

admin2012-07-30 21

问题 An oyster produces a pearl by coating a grain of sand inside its shell with nacre, a secretion of its body.

选项 A、makes
B、attains
C、binds
D、cures

答案A

解析制造

转载请注明原文地址:https://jikaoti.com/ti/pANsFFFM

职称英语综合类A级

相关试题推荐

随机试题

最新回复(0)