下列各句中，没有语病的一句是（    ）

关于亚洲水系特征的说法，错误的是（    ）

给画线的字选择正确的解释。

缘：①因由，原因 ②沿，顺着 ③因为 ④婚姻

只缘身在此山中____

他无缘无故的不上学了。____

缘木求鱼，不如退而结网。____

    It is Sunday afternoon. Mary goes to do the shopping with her mother. Her mother wants to buy some food for supper. Mary wants to buy a new skirt and some school things. They come to a shop.
   “What does your shop sell?” Mary asks, “A lot of things.” The girl in the shop says. “You can buy food, drinks, clothes in our shop and school things, too.”
   Mary and her mother go in. There are many people in the shop. Mary looks at a nice white skirt.
   “How much is the skirt?” Mary asks the girl in the shop.
   “It’s eighty yuan.”
   “That’s too dear.”
   “What about the green one? It looks nice. And it’s only thirty yuan.”
   “OK, thanks a lot.”
   “You are welcome.”
    After that, Mary buys some school things, too. Here mother buys a lot of food, like bread, cakes, meat and fish. They get home very late.