扫描二维码，直接登录
题库 / OG2018V-SC-286
Carbon dioxide, which traps heat in the atmosphere and helps regulate the planet’s surface temperature, is constantly being exchanged between the atmosphere on the one hand and the oceans and terrestrial plants on the other.
exchanged between the atmosphere on the one hand and the oceans and terrestrial plants on the other
exchanged, on the one hand, between the atmosphere and the oceans and terrestrial plants, on the other
exchanged between, on the one hand, the atmosphere, with the oceans and terrestrial plants, on the other
exchanged, on the one hand, among the oceans and terrestrial plants, and the atmosphere, on the other
exchanged among the oceans and terrestrial plants on the one hand and the atmosphere on the other
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
到底是谁和谁在比较。。。是a和b a和c 还是 a和（b和c是一个整体）
登录 或 注册 后可以参加讨论