[填空题]S4. In secondary classes, discussions are different from the question-and-answer sequences because________.

[填空题]S4. In secondary classes, discussions are different from the question-and-answer sequences because________.

[填空题]In secondary school classes, discussions are different from the question-and-answer sequences because discussions require ______.

[填空题]In secondary classes, discussions are different from the question-and-answer sequences because ______.

[名词解释]secondary infertility

[简答题]secondary caries

[判断题]

Formal language and informal language are different in a couple of ways.

[填空题]Scientists have long noted that the major difference between modem humans and other apes, like chimps, is our (26) of an oversize, energy-hungry brain. It was the development of that brain that drove the evolution of our early human (27) away from an apelike ancestor, starting roughly six million years ago. But the question of just why and how we (28) such big brains, which consume 20 percent of our energy, has long bedeviled science.
"A major difference in muscular strength between humans and nonhuman primates provide one possible (29) ," suggests a new study. The study, (30) Tuesday in the journal PLoS Biology, looked at how rapidly the metabolic needs of various organs, (31) our brains to our kidneys, have evolved. Some scientists have suggested that the rapidly evolving metabolism of the human gut, for example, drove the brain’s evolution. Instead, the new study suggests that muscles and brains have es

[单项选择]English names and Chinese names are quite different in some (41) ways. Most English people have (42) names. One is their family name, the others are given names. Their family name is (43) the given names. They use Mr. or Miss (44) the last name. For (45) , we can (46) a man named James Allan Green Mr. Green, (47) we can’t call him Mr. James or Mr. Allan. People usually use Jim (48) James. Jim is short for James because it’s (49) to remember. But Chinese names are different. A girl named Han Mei (50) her family name Han first. She can also be called Ah Mei for short in Chinese.


A. instead of
B. before long
C. so far