某发明专利申请的权利要求书如下：
“1.一种汽车，其特征在于包括底盘L、车身M和发动机N。
2.根据权利要求1所述的汽车，其特征在于底盘L由合金材料K制成。
3.根据权利要求2所述的汽车，其特征在于轮胎上的花纹为X。
4.根据权利要求2所述的汽车，其特征在于轮胎由橡胶材料Y制成。
5.根据权利要求1所述的汽车，其特征在于还包括后视镜Z。”
已知现有技术中已经公开了包括底盘L、车身M和发动机N的汽车，K、X、Y、Z均为特定技术特征且互不相关。下列哪些权利要求之间具有单一性？（）
The mystery (悬案) around the disappearance of the famous crime writer Agatha Christie in 1926 was almost as (36) as any of her exciting stories. At about 11 o’ clock on the evening of Friday, December 3rd, Mrs. Christie got into her car and took a drive without saying (37) she was going. She didn’t return.
The next morning her car was found without (38) at Newlands Corner, Surrey. it was (39) put on record that the Surrey Police did not find (40) until 11: 00 that morning. People (41) that she might have killed herself. (42) as the days went by, it was suggested that she was (43) . The press and the public naturally took great interest in the (44) , with at least one newspaper offering a reward (悬赏) to anyone who could find the (45) writer.
Of course the police did their best to (46) her. But, sadly, after a week’s (47) they had made no progress. In the
A. And
B. Thus
C. But
D. Still
| Why are so many people unhappy in their
jobs There are two primary reasons. First, some people are convinced that
earning a living is wasting time that they could spend enjoying themselves or
uncovering their true talents. If this is the case with you, recall your last long vacation. Was it two weeks of complete enjoyment More likely it was a week and a half of fun in the sun, with another half a week of "Boy, I can’t wait to get back to work." If you didn’t feel such vacation blues, then imagine taking a leave of absence. You could use it to work on a novel, enroll in classes or just sit around watching TV. At the end of three months, in all likelihood, your self-esteem would be at an all- time low. While all work and no play is not good, all play and no work is disastrous. We need to feel we are accomplishing somethi A. they are not permitted to change a job B. they have to work on to pay off their debts C. they have no other way out than keep working D. they have been working in a company for too long [单选题]颅底骨折并发脑脊液鼻耳漏哪项处理是对的
A.无菌盐水冲洗后棉花堵塞 B.清创缝合 C.用力擤鼻，以利引流 D.腰穿减压 E.应用抗生素 [判断题]焦炉有效炉龄为20-25年,在此期间内大部分砌体应该热修。
[单选题]“勿以善小而不为，勿以恶小而为之”说明( )
A.量变是由质变引起的 B.质变与量变是相互渗透的 C.质变在事物发展中起重要作用 D.质变是由量变引起的 我来回答: 提交
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