问题 选择题

1989年我国科学家成功地将人的生长激素基因导入鲤鱼的卵细胞中,由这样的鱼卵发育的鲤鱼,生长速度明显地加快。以上事实说明:( )

A.细胞中的基因具有显、隐性之分

B.细胞中的基因是成对存在的

C.基因存在于染色体上

D.生物的性状由基因控制

答案

答案:D

题目分析:基因是指染色体与生物形状相关的小单位;性状是指生物的形态特征,生理特性和行为方式.性状是由基因控制的.鲤鱼的生长速度这一性状是由生长激素基因决定的.综上所述A.B.C选项错误,只有D选项正确。故选:D

阅读理解

What is TOVIAZ?

TOVIAZ is a medicine used in adults to treat the symptoms of a condition called overactive bladder(膀胱).

Who is TOVIAZ for?

Adults 18 years older with symptoms of overactive bladder.

Don’t take TOVIAZ if you:

★ Your stomach empties slowly.

★ Have eye problems.

★ Are allergic to any ingredients of TOVIAZ.

Possible side effects of TOVIAZ

★ Dry mouth.

★ Constipation

★ Dry eyes.

★ Trouble empting the bladder

These aren’t all possible side effects of TOVIAZ. For a complete list, ask your doctor.

How to take TOVIAZ:

★ Your doctor may give you the lower 4mg dose of TOVIAZ if you have severe kidney problem.

★ Take TOVIAZ with liquid and swallow the tablet whole. Do not chew, divide or crush the tablet.

★ You can take TOVIAZ with or without food.

★ If you miss a dose of TOVIAZ, start taking it again the next day.

Things you should keep in mind when taking TOVIAZ:

★ Decreased sweating and severe heat illness can occur when medicines such as TOVIAZ are used in hot environments.

★ Drinking alcohol while taking TOVIAZ may cause increased sleepiness.

小题1:

What is the main purpose of the passage?

A.To show the importance of taking proper medicine.

B.To present a report on a scientific research.

C.To give information about a kind of medicine.

D.To teach patients ways of recovery from illness.小题2:

The main function of TOVIAZ is to treat__________.

A.kidney problem

B.stomach problem

C.dry mouth or eyes

D.overactive bladder小题3:

What can be inferred from the passage?

A.There are only four possible side effects of TOVIAZ.

B.It’s suggested that TOVIAZ be used for adults 18 years older.

C.Don’t take TOVIAZ if you are allergic to its ingredient.

D.You may feel excited while eating TOVIAZ with alcohol.小题4:

Which of the statements about taking TOVIAZ is TRUE?

A.If you miss a dose of, do take it right away on the same day.

B.It’s OK to take it with food or without food.

C.Chew the tablet well before you swallow it.

D.Use TOVIAZ in hot environment to cure heat illness.

单项选择题