Welcome Unit-Listening and Speaking170143 Jones AmericaOneStep Two: Pronunciation A /e/ grade escape / map campus E /i/ ：these Chinese /e/ ： met forgetI /a/ ：write alive / ： quiz listen O / ：hope; alone / ： frog coffee U /ju/ use future / up discuss 重点单词考点exchange 交换，交流 n. v.英英解释：To give someone sth and receive the same kind of thing from them at the same time例句：Everyone in the group exchanged their phone number with each other.常考短语：exchange sth for sth 用换 exchange sth with sb 和某人交换某物in exchange
