Answer keys
1.B 2.A 3.D 4.C 5.D 6.B 7.D 8.B 9.C 10.A 11.B 12.A 13.3rd square 14.Glaciers,which at present When glacial ice reaches When there are glaciers
1.B 2.B 3.A 4.C 5.D 6.B 7.B 8.A 9.B 10.C 11.C 12.4th square 13.The leatherback turtle is… Leatherbacks have an…
The leatherback turtle uses a…
14.C 15.A 16.D 17.C 18.D 19.A 20.B 21.C 22.B 23.A 24.D 25.B 26.4th square 27.Asteroid impacts,evolutionary…
Researchers have observed…
The unusual distribution of…
每个TPO的阅读都有三篇啊,楼主难道不知道?
