对下列词语中没有错别字的一项是（   ）

热播电视剧《大秦帝国·裂变》讲述了秦孝公大胆起用商鞅进行变法，使秦国由弱变强的故事。电视剧中，商鞅变法后秦国的农民想获得爵位最好的途径是(    )

在南极上空看，甲机沿南极圈作逆时针方向飞行；在北极上空看，乙机沿北极圈作顺时针方向飞行，这两架飞机的飞行方向（  ）

根据短文内容，判断正误。

    Tim is in his room. He is doing homework. He says to Tiger, “Tiger is my friend.” He writes,“He is my cat. He is small and black and his eyes are green. I give him fish and milk.”

    Tiger looks at Tim.“Fish or Milk?” Tim says,“I can't come now. I can't give your food now. I'm working.” He writes, “He comes to my room and looks at me. And I give him fish and milk.” At that time. Tiger says, “Meow.” “No，Tiger，” Tim says,“I can't come now. I'm doing my homework.”