(
(
(
A
)4. Spring in Beijing lasts ______.(
D
)5. What does the underlined word “must” probably mean in Chinese?(
C
)6. If you put a cup of water in the open air in Beijing in February, what will happen?答案：4. A 【点拨】根据“To visit this city in spring (early April till the end of May)”可知,北京的春天持续约两个月。故选 A。5. D 【点拨】根据“From late October, the temperature comes down sharply, so warm clothing is a must.”可知,从十月下旬开始,气温急剧下降,所以必须穿暖和的衣服。故选 D。6. C 【点拨】根据“The average temperature in December, January and February is below 0℃.”可知,二月份的北京非常冷,如果你在户外放一杯水,水会变成冰。故选 C。