题目

 If you want to get there, you can ________ the jungle and ________ the river. A.      trek over; swim through B.      trek through; swim across C.      trek across; swim through 答案：B亚洲面积约4400万平方千米，是世界： [     ]A．第一大洲B．第二大洲C．第三大洲D．第四大洲