1.单选题- (共6题)

①该有机物有一种同分异构体属于酚类;
②该有机物属于酯类;
③该有机物不能发生银镜反应;
④该有机物的分子式为C11H18O2;
⑤1mol该有机物最多能与1mol NaOH反应
其中正确的是
A.①③④ | B.②③⑤ | C.①④⑤ | D.①③⑤ |
A.顺-2-丁烯和反-2-丁烯分别与H2加成,生成相同的加成产物 |
B.等质量的乙烷、乙烯、乙炔完全燃烧耗氧量依次减小 |
C.乙烷的四氯代物有2种 |
D.(CH3)3CCl和(CH3)2CHCH2Cl分别与NaOH的乙醇溶液共热,生成不同的消去产物 |
①加热②加入


A.③①⑤⑥②④ | B.③⑤①⑥④② | C.③②①⑥④⑤ | D.③⑤①⑥②④ |
A.只有醛类物质才能发生银镜反应 |
B.甲醛、乙醛、丙醛都没有同分异构体 |
C.将2%的稀氨水逐滴加入2%的![]() |
D.将2%的NaOH溶液4~6滴,滴入2mL10%的![]() ![]() |
2.选择题- (共4题)
If you want to make a difference by doing a volunteer job, you can take the following steps.
Before becoming a volunteer, consider your hobbies and interests. You can find a job in your area or around the world where you can help.{#blank#}1{#/blank#}They can be found in nursing homes or at food banks, and other charities.
{#blank#}2{#/blank#}Then you can apply for the volunteer sector (领域) you have chosen. Rewrite the resume and focus on education and experience in your chosen field.
{#blank#}3{#/blank#}If you are not free during the volunteer shifts (轮班), it's more likely that you will be passed over.
{#blank#}4{#/blank#}You can also go to their websites to fill out an online application and email a copy of your resume.
Speak or contact directly with the manager in charge of hiring new volunteers. It's important to tell them your enthusiasm for the volunteer work. At the same time, make it clear how you are qualified.{#blank#}5{#/blank#}
Fill out any other paperwork that is requested to complete the application process. It's best to set an appointment to interview in the end.
A. Be friendly and outspoken.
B. Don't forget to offer a hand to others in need.
C. Volunteer jobs are often available (可获得的) in many places.
D. Visit the volunteer location in person with a copy of your resume.
E. Make a detailed timetable that shows you can do the volunteer work at the time.
F. It's because you are not sure the hiring manager has read your resume or seen the online application.
G. Review your work and volunteer resume (简历) to determine what strengths and experience you have.
3.填空题- (共1题)
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【1】题量占比
单选题:(6道)
选择题:(4道)
填空题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:5
7星难题:0
8星难题:1
9星难题:0