题目

如图所示，是某型号小汽车的车轮及其有关数据，车轮的断面宽的单位应当是（ ） A． km B． m C． cm D． mm 答案：D【详解】 结合日常生活经验，通过给出的数据 195可知， km、 m、 cm作单位时，轮胎的宽度都太大，是不可能的，它的单位只能是 mm。故 ABC不符合题意， D符合题意。 故选 D。 Emma has just finished travelling alone in Europe. Are you interested in her journey? Let’s read some of her travel diaries.EmmaJune 12 at 19:35·New YorkI am so excited. Also a little nervous! I am off on a journey on my own. Yes! Alone! I am feeling so brave and can' t wait to start. I am going to Europe to see some cities I really want to visit. It is great because I can choose what I want to do in each city. I am going to travel by train in Europe.EmmaJune 15 at 15:30·SalzburgNow I am in Salzburg, Austria. The quiet hills of Austria are a great place to relax. The movie The Sound of Music was filmed around this area. I can enjoy the view of the mountains and the river from my hotel window. Mozart, the famous musician, was from here. There are many classical concerts here.Emma June 17 at 8;15·ArmsterdamThe train ride to Amsterdam was a long one. It gave me time to write some postcards to send back home. Amsterdam is a fun city, full of friendly locals and tourists. I spent the whole day visiting the art museums here. The museums are historic and filled with beautiful art.I also took a boat ride along the river.EmmaJune 19 at 21:20·CopenhagenTravelling alone，I have been very careful to keep safe. Luckily I am in Copenhagen，Denmark，and I am told that it is one of the safest places in the world. There is very little crime（犯罪）here. Andersen，a famous writer of children's books，was born in this city. I bought two of his fairy tale books.1.Emma was looking forward to this travel because .A.she had never taken a train ride beforeB.she could do anything she liked on the journeyC.she hoped to keep herself away from the busy life2.From the passage, we can know Salzburg is a great place for .A.enjoying classical music B.buying children’s books C.visiting history museums3.In Amsterdam, she .A.climbed the beautiful mountainsB.traveled along the river in a boatC.wrote some postcards in her hotel4.She didn’t need to worry about her safety in Copenhagen because .A.there was very little crime thereB.the city was full of friendly peopleC.she thought she was careful enough5.We can know that_____from the passage.A.Emma has little interest in artB.Emma is a brave but careless girlC.Emma’s travels were enjoyable and special.