John is the（)of the three brothers.

B．The stronger

C．The more strong

D．The strongest

B．stronger

C．strong

D．enough

A、the distance in numbers of nucleotides between two genes

B、the number of genes on each of the chromosomes of a species

C、the linear order of genes on a chromosome

D、the location of chromosomes in the nucleus when they line up at metaphase during mitosis

A、executive

B、judicial

C、legislative

D、administrative

A、if a law conflicts with the Constitution, it will become invalid.

B、the Constitution is earlier than any other law in American history.

C、the Constitution can replace other laws.

D、other laws originate from the Constitution.

Read the passage carefully. Which of the following statements about the argument are true? Cigarette smoke is unhealthy even for people who don’t have the nicotine habit themselves. Secondhand smoke can cause asthmatics (哮喘病患者) and sufferers of sinusitis (鼻窦炎) serious problems. Doctors regularly advise heart patients to avoid confined smoky areas because coronary attacks might be triggered by the lack of clean air. Moreover, having the smell of smoke in one’s hair and clothes is a real nuisance. Even if a person is without any health problems, exhaled smoke doubles the amount of carbon monoxide in the air, a condition that may cause lung problems in the future.

A、This is a unified paragraph.

B、The first sentence is the thesis statement.

C、It is the reasoning by cause and effect.

D、It is the reasoning by generalization.

B、社会群体

C、社会差距

D、代际流动

B.地方性法规不得与宪法法律和行政法规相抵触

C.行政法规的效力次于宪法和法律

D.行政法规由国家各级行政机关制定