根据短文情景，用恰当的短语或句子填空，使之意思完整。

      Hello, everyone, welcome to Singapore, a small island in Southeast Asia. It's a wonderful place to take a

vacation. More than three quarters of the population 1.            . So you can speak putonghua most of the time.

It's an English-speaking country. Here you can practice your English.

      In Singapore you'll find lots of food 2.              like rice, noodles or dumplings; you can also find Indian

food, western food or Japanese food.

      The temperature here is almost the same 3.               and you can choose to come in spring, summer,

autumn or winter.

皮带的带速是指皮带在单位时间里走过的（）。