小明的爸爸是一位援疆干部，爸爸在新疆，小明常常在网上浏览与新疆相关的信息。

信息一：全国人民与新疆各族人民心连心。新一轮支援新疆发展建设的大幕开启，按照中央的部署，浙江省对口支援新疆阿克苏地区。

信息二：考虑到新疆少数民族的历史传统，自治区将新疆少数民族公民的结婚年龄变通为男不得早于20岁，女不得早于18岁。

信息三：在工作期间，小林的爸爸拜访了当地的牧民家庭。说起今天的生活，牧民努尔一家有说不完的话。

下列关于热值的说法中正确的是（　　）

    I have a good friend in my class. His name is Jim. He is from England. He is in China with his parents. He likes China. He likes Chinese food very much. He has breakfast at home. He eats an egg. bread and milk for breakfast. He doesn't like fish. He has lunch at home. The lunch in his school is delicious. He can have different kinds of food for lunch. He eats rice, meat and vegetables. Sometimes he has noodles and dumplings. He has supper at home with his friends. Sometimes he goes out to eat with his friends. He has meat , vegetables and fruit for dinner.

质量为0.1千克的木块漂浮在水面上，木块所受重力为____ 牛，木块所受的浮力大小为____ 牛，如果把木块投入酒精中，木块也漂浮在酒精面上，木块所受的浮力将____ （选填“增大”、“不变”或“减小”）．