在维持对肿瘤细胞免疫应答的免疫记忆中起重要作用的是()
A.CD4+T细胞
B.CD8+T细胞
C.树突状细胞
D.NK细胞
E.巨噬细胞
参考答案:A
Why is pink or purple a color for girls and blue or brown for boys?
The answer depends largely 小题1: cultural values as well as personal experiences. To the Egyptians, green was a color 小题2: represented the hope and joy of spring, while for Muslims, it means heaven. Red is a symbol of good luck in many cultures. During the Spring Festival in China, children 小题3: (give) money in a red envelope to bring good fortune in the New Year. For many nations, blue is a symbol of protection and religious beliefs. Greek people often wear a blue necklace hoping to protect 小题4: against evils(灾祸).
People’s 小题5:(choose) of colors is also influenced by their bodies’ reactions toward them. Green is said to be 小题6: most restful color. It has the ability to reduce pain and relax people both mentally 小题7: physically. People 小题8: (work) in green environment have been found to have fewer stomach aches.
Red can cause a person’s blood pressure to rise and increase people’s appetites(食欲). Many decorators will include different shades of red in the restaurant. And many commercial websites will have a red “Buy Now” button because red is a color that 小题9: (easy) catches a person’s eye.
Blue is another calming color. Unlike red, blue is believed to cause people to lose appetite. So 小题10: you want to eat less, some suggest that eating from blue plates can help.
承运人按照《民用航空法》的规定,应当承担赔偿责任的,对每名旅客的最高赔偿金额为人民币( )万元。
A.40 B.60 C.27 D.10