单选题选出下面读音不同的选项。
单选题Scientists have been struggling to find out the reason behind blushing （脸红）。Why would humans evolve（进化） a 21__________ that puts us at a social disadvantage by ____请作答此空______ us to reveal that we hav
单选题Coconut椰子is an unusual food for many reasons.It is one of the largest edible seeds produced by any plant.Its unusual contents also make it unique in the seed world—it consists of both “meat“ and “wate
单选题It was sunrise on an August morning when the captain and his crew cast their nets some 50 miles south of Louisiana in the Gulf of Mexico. As the net was pulled over, the contents were poured out follo
单选题Their experiment __________, Tom and Mary set out to write the report on the results.
单选题We all love a hero, and rescue dogs are some of the biggest heroes of all. You will often find them going above and beyond duty to save someone, risking--and at times losing--their lives in the proces
单选题After the busy day I've had, I need a __ drink.
单选题Would you please let me finish my words? Don't __________ in the middle of a sentence.
单选题Insomnia, or “poor sleep”, can have bad effects on a persons health and general well-being. It can_____21on both our physical and mental health and can lead to other health_____22. Insomnia can b
单选题It was sunrise on an August morning when the captain and his crew cast their nets some 50 miles south of Louisiana in the Gulf of Mexico. As the net was pulled over, the contents were poured out follo
单选题选出下面读音不同的选项。
单选题Sarah: Hello. Im calling to rent an apartment you advertised.Manager: Yes. What kind of apartment are you interested in?Sarah: I m interested in a one-bedroom apartment. 56__________?Manager
单选题 What enables some people to get big creative breakthroughs while others only get small and non-creative breakdowns, blaming themselves and society? Are some people gifted? Are there other factors 21
单选题Scientists have been struggling to find out the reason behind blushing （脸红）。Why would humans evolve（进化） a 21__________ that puts us at a social disadvantage by 22__________ us to reveal that we have c
单选题选出下面读音不同的选项。
单选题The president is to give a formal __ at the opening ceremony.
单选题 What enables some people to get big creative breakthroughs while others only get small and non-creative breakdowns, blaming themselves and society? Are some people gifted? Are there other factors 21
单选题We all love a hero, and rescue dogs are some of the biggest heroes of all. You will often find them going above and beyond duty to save someone, risking--and at times losing--their lives in the proces
单选题Insomnia, or “poor sleep”, can have bad effects on a persons health and general well-being. It can_____21on both our physical and mental health and can lead to other health_____22. Insomnia can b
单选题At first glance,there hardly seems to be any comparison between Ravenna and Rome,but backin the 5th century ,it was Ravenna that served as capital of the Western Roman Empire. In this city,Roman ruler