腔肠动物中,以内胚层形成生殖腺的动物是()和()两个纲。
参考答案:钵水母;珊瑚
根据句意,用括号内所给单词的适当形式填空。
小题1:Jerry (go)to school at seven o’clock.
小题2:Can you play the violin (good)?
小题3:It takes (she)an hour (do)her homework.
小题4:Look! The two girls (talk) over there.
小题5:We need help for our (swim)club.
小题6:Let’s (see) the pandas first.
小题7:He is an (America) boy.
小题8: (not be) late for school again.
客人愿意付更多的钱去整齐和清洁的餐厅用餐,更希望看到()的服务人员。
A、浓妆艳抹
B、身披长发
C、年轻貌美
D、着装整齐、精神面貌良好