在一幅比例尺是1：4000000的地图上，量得甲、乙两地间的距离是8厘米，一辆汽车以每小时80千米的速度从甲地到乙地，需行驶几小时？

⑴____ A.music     B. can        C. pencil        D. cousin

⑵____ A. always       B. some       C. sister        D. subject

⑶____ A. mine        B. tidy           C. nine       D. habit

⑷____ A. thank        B. happy           C. want         D. jacket

⑸____ A. dear       B. pear         C. near        D. hear

根据材料内容，选择正确答案。

    Mr Smith had a week's holiday, so he said, "I'm going to see the sea by train." He put on his best clothes, took a small bag, went to the railway station and got onto the train. He wore a beautiful hat, and he often put his head out of the window during the trip and looked at the beautiful scenery. But suddenly the wind pulled his hat off.

    Mr Smith took his old bag and threw it out of the window quickly too. The others in the train laughed. "Is your bag going to bring back your beautiful hat?" they asked.

    "N0," Mr Smith answered, "but there is no name or address in my hat, and there's a name and an address on the bag. If someone finds both of them, he or she will send me the bag and the hat.''

白藜芦醇广泛存在于食物（例如桑椹．花生．尤其是葡萄）中，它可能具有搞癌性．能够跟1摩尔该化合物起反应的Br₂或H₂的最大用量分别是（　　）