低成色的项链应用()和()做搭扣。高成色的项链应用()做搭扣。
参考答案:弹簧;合圈;山字扣
句型转换。
1. —Can I help you? (作否定回答)
—_________________________.
2. —Would you like me to help you? (作肯定回答)
3. I have made a mistake. I found. (改为含宾语从句的复合句)
I found that _________________________.
4. I don't think you will come back in time. (用didn't改写)
I _____ think you _____ in time.
5. The moon circles the earth. (用told us改写)
The teacher told us that _________________________.
为了突出总结的单位,可以把单位名称卸载总结的标题下面,已达到醒目和加深印象的作用。