Language contains two subsystems: sounds and meanings.()

未分类题The word 'net'(Line 1, Para.2)most probably meansA．rest.B．total.C．large.D．small.

未分类题What do we know about Carrel Smith?A．He is a 63-year-old doctor studying the preventing of cancer.B．He is working at M. D. Anderson Cancer Center and taking part in the trial.C．He is wondering about taking selenium and vitamin E supplements in preventing cancer.D．His ex-brother-in-law was diagnosed to have prostate cancer.

未分类题Which of the following statements is true according to the passage?A．Students in reduced classes can increase three months of additional schooling.B．Students will not be affected with little changes in class size.C．The older the students are, the more urgent the limit enrollment is.D．Students from the rich family should be put into bigger classes.

未分类题Mirror neuron system functions the most in understanding others

判断题Most of the environmental problems are man-made.()

未分类题What is the main idea of the passage?A．The role of mirror neurons play in human behavior.B．How mirror neurons function in human body.C．Mirror neurons system in monkey brain.D．Mirror neurons and autism.

未分类题Which of the following is true about Stanford University biologist opinion?A．It concerns human being's positive effects on environment.B．It arouses strong controversy in political, cultural and academic fields.C．It condemns what the technology and progress have brought to us.D．It is supported by the Competitive Enterprise Institute.

未分类题Which of the following is true about 'gateway test'?A．Its validity and accuracy are still in strong dispute.B．It has been adopted in 42 states of America.C．It is still not very mature in countries like China.D．It is the only standard for students to go next grade.

未分类题What can we infer from the first paragraph?A．People have to be a lawyer if they want to serve in Congress.B．People must have worked in Senate if they are good at building alliance.C．People in southern states have to pass the literary test if they want to vote before 1960s.D．People would be good at compromising after serving in House.

未分类题The author quotes the example of Nancy Pelosi to showA．she is the first female speaker of the House of Representatives.B．she has a close relationship with other liberal members.C．her view is the most valid one.D．how divergent the perspectives held by different parties are.

未分类题Whats the attitude of the new report towards American education?

未分类题By citing 'steelmaking, industrial chemicals...'(Line 1, Para. 2), the author intends to showA．America has taken the leads in such fields.B．American is superior to European countries.C．American education has the ability to catch up.D．American has a strong economic foundation for education.

未分类题Which of the following is true of IODP according to the passage?A．It's an investigation of the deep sea by the United States.B．IODP means International Ocean Drilling Program.C．The Japanese Component of IDOP has not drilled in 2 years.D．IODP is now facing a setback.

未分类题Compared with Cutthroat trout, rainbow troutA．can better adapt to warm temperatures.B．has to retreat further to a restricted habitat.C．has shown stronger survival ability.D．lays more eggs when winter floods come.

未分类题The prediction on the habitat of trout is based onA．a scientific simulation including various factors.B．the field work of a team of scientists.C．the characteristics of the west part of America.D．the presence of fish in different habitats of trout.