为了从酒精和水的混合物中分离水和酒精，张小同学依据已学过的知识，提出一种方案：依据水和酒精凝固点不同可将水和酒精分开.为此，他利用家中的电冰箱的冷冻室做了如下实验：他将配有不同比例的水和酒精的混合物放入冷冻室中，并用温度计监测混合液的温度，定时观察，他所测数据和观察到的现象如下表：

（1）请你仔细看一看表中的数据和记录的现象，张小同学是否能将水和酒精从混合液中分开？____ 
（2）请你来设计一种能将酒精和水从混合液中分离的实验____ 。

已知在△ABC中，sinA∶sinB∶sinC＝3∶5∶7，那么这个三角形的最大角是     (   　)

下图反映了新时期中国外交活动的特点之一是 (　　)

解放军亚丁湾护航

    Mr. and Mrs Jones seldom(很少) go out in the evening , but last Sunday Mrs Jones said to her husband , “ There is a good film at the cinema this evening . Can we go to see it ? ”

    Mr. Jones was quite happy about it . So they went there and they enjoyed the film . They came out of the cinema at 11 o'clock , going into the car and began to drive home . It was quite dark . Then Mrs Jones said , “ Bill , look , a woman is running along the road very fast and a man is running after her . Can we help her ? ''

    Mr. Jones said , “ Yes , I can .''  He drove the car slowly near the woman and said to her , “ Can we help you ? ” “ No , thank you , ” the woman said , but she didn't stop running . “ My husband and I run home after the film , and the last one will wash the dishes at home .”

无偿献血成为榕江市民新时尚（2014年05月08日 来源：人民网-贵州频道）当日上午，笔者在榕江县城大十字的献血车看到，来献血的人已经围得里外三层，车上已经挤满正在献血的市民。在献血现场由于报名的人太多，采血车里，已经挤满了踊跃献血的市民，彰显了榕城市民的文明程度和“人人为我，我为人人”的博爱情怀。（备注：献血要求18周岁以上，身体健康）