Which of the following is "an illusion"?
A.Britain protects animals used in research better than Japan and China.
B.China has issued guidelines governing the use of animals in research.
C.Japan has less comprehensive data on animal testing than America.
D.America conducts fewer experiments on animals than Britain.
第2题
A.蛋白质、糖类、淀粉、脂肪、水、无机盐
B.蛋白质、糖类、脂肪、无机盐、水、纤维素
C.水、氧气、蛋白质、糖类、脂肪、维生素
D.水、蛋白质、无机盐、维生素、糖类、脂肪
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