超保护贸易理论的政策主张是()
A.奖出限入
B.提高关税
C.鼓励出口
D.保护进口
参考答案:A
和肾动脉相比,肾静脉中的血液里
A.尿素含量少,二氧化碳含量不变
B.尿素含量少,二氧化碳含量少
C.尿素含量少,二氧化碳含量多
D.尿素含量多,二氧化碳含量多
Many students agreed to come, but some students against because they said they don't have time.
A.were against because they said they did not
B.were against because they say they don't
C.were against it because they said they did not
D.were against coming because they said they don't