题目

实验中的下列操作正确的是（    ） A . 用试管取出试剂瓶中的Na2CO3溶液，发现取量过多，为了不浪费，又把过量的试剂倒入试剂瓶中 B . Ba（NO3）2溶于水，可将含有Ba（NO3）2的废液倒入水池中，再用水冲入下水道 C . 用蒸发方法使NaCl从溶液中析出时，应将蒸发皿中NaCl溶液全部蒸干才停止加热 D . 用浓硫酸配制一定物质的量浓度的稀硫酸时，浓硫酸溶于水后，应冷却至室温才能转移到容量瓶中From March 12 to 17 of each year, hundreds of clowns(小丑)get together in the Bognor Regis town, UK. They all wear tall blue hats and big red noses with colourful faces. The first International Clown Festival was in 1987, UK. All the clowns from all over the world came together to celebrate the great festival in England. During the festival, people can see clowns from the world. They are together for the world of clown shows. They try their best to please all the people for the festival. In the shows, they have big feet, funny noses and look really funny. They sing and dance in a strange way to make people laugh. All people for the festival can have great fun. Of course, children like this interesting festival best. Now women can take part in the clown shows , and they are very popular. But in the old days, only men could be clowns.There are different kinds of clowns like white faces, red faces, street clowns and clowns for children. All these clowns are popular with people. 1.All the clowns get together __________ for the International Clown Festival.A. in London B. in a small town，UKC. all over the world D. around the whole Europe 2.The first International Clown Festival was _____________.A. in 1987 B. in the UK C. both A and B D. in London3.The festival lasts __________________.A. a month B. six days C. seven days D. five weeks 4.Which of the following is NOT true?A. The clowns wear in a funny way. B. The clowns dance in a strange wayC. The clowns try their best to make others laugh D. Women clowns are not popular with people.5.Which is the best title of the article?A. The International Clown Festival B. Men clowns and women clownsC. Different kinds of strange festival D. Different kinds of clowns in the festival