不定项选择有关同位素,下列说法中正确的是( ) A.同位素具有相同的化学性质 B

题型:不定项选择

问题:

不定项选择
有关同位素,下列说法中正确的是(   )
A.同位素具有相同的化学性质

B.同位素具有相同的核子数

C.同位素具有相同的质子数

D.同位素具有相同的中子数

考点:同位素
题型:不定项选择

Yao Ming is a famous basketball player in NBA. He was born on September 12th 1980, his favourite city is Shanghai .But now he lives in Houston , USA, because he plays for Houston Rockets. Yao Ming likes to play basketball .He’s good at basketball , and he plays it almost every day . He also likes to play computer games and surf the Internet .Yao Ming is more than two meters tall . Yao Ming’s favourite colour is blue , but he wears red or white shirts when he has basketball match , and his favourite animal is dog . This year -2012 is Yao Ming’s twentieth year in NBA. We hope Yao Ming will be the best player in NBA.

小题1:Which city is Yao Ming’s favourite ?

A.Beijing

B.Shanghai

C.NewYork

D.Houston小题2:What is his favourite sport ?

A.go swimming

B.play basketball

C.play football

D.play computer games小题3:When is his birthday ?

A.September 12th 1980

B.September 12th 1981

C.September 12th 1979

D.September 12th 1982小题4:How long does Yao Ming play in NBA?

A.fifteen years

B.twenty years

C.sixteen years

D.forty years小题5:What team does Yao Ming play for ?

A.Huanghe Football Team

B.Huanghe Basketball Team

C.Houston Rockets

D.China Basketball Team

题型:不定项选择

关于CHOP方案叙述正确的是()

A.每四周为一疗程

B.毒性较低

C.每三周为一疗程

D.个疗程不能缓解,应改变化疗方案

E.可长期维持治疗

题型:不定项选择

如何区分海樽类、有尾类、和海鞘类动物?

题型:不定项选择

下列描述不属于前列腺增生的超声表现的是()

A.体积增大,且以前后径增大明显

B.轮廓清晰,横切面呈球形

C.内部回声增粗,可见边界不清的结节回声

D.外腺区可见一边界较清晰的低回声病灶

E.内腺部分和内外腺交界部可见强光斑回声

题型:不定项选择

癫痫儿童肌阵挛发作治疗首选( )

A.丙戊酸钠
B.苯妥英钠
C.卡马西平
D.扑痫酮
E.乙琥胺

更多题库