（） were originally called Yankees, which came to stand for all Americans.

单项选择题What do they mean by going ’cold vegan turkey’

单项选择题Which of the following is NOT cited as an example of invalid sales promotions（）

A. There is yet no scientific consensus on the questions about "probiotic" products.< br>B. Antibiotics are not very selective as to which bacteria they attack.< br>C. It is impossible to know how many live bacteria will be preserved in the digestive system.< br>D. It is not always easy to measure to what extent probiotic products can outrun potentially unfriendly microbes.

单项选择题Which of the following statements about the second paragraph is NOT true（）

A. Cuckoos usually lay eggs with similar shape and color in other birds’ nest.< br>B. Cuckoo chicks can get rid of the host birds’ chicks.< br>C. Cuckoo chicks can get rid of the host birds’ eggs before they hatch out.< br>D. Cuckoo chicks mimic the appearance of the host birds’ chicks.

单项选择题That the development of a technique called diffusion-tensor imaging has changed that suggests that（）

A. technological development has figured out the cause for synaesthesia<br>B. technological development has proved the hypothesis that synaesthesia is caused by crossed wires in brains<br>C. technological development has rejected the hypothesis that synaesthesia is caused by crossed wires in brains<br>D. technological development has made hypothesis checking possible

单项选择题When was the birling match played（）

A. On Independence Day. < br> B. On the Easter holidays.< br>C. At Christmas. < br> D. On New Year’s Day.