细菌的核质是细菌的遗传物质,也称为()。 A.细菌染色体 B.细菌核糖体 C.细菌线

题型:单项选择题

问题:

细菌的核质是细菌的遗传物质,也称为()。

A.细菌染色体

B.细菌核糖体

C.细菌线粒体

D.细菌繁殖体

E.细菌吞噬体

考点:卫生毒理(医学高级)病媒生物学病媒生物学题库
题型:单项选择题

How much of an addict(成癖/嗜好) are you? Are you like any of the people?

①I dislike haircut(理发). I seldom(很少) get a haircut. So when I get one, my hair is really short. My hair gets really long before my next haircut.    --- Harry

②I hardly drink soda(苏打水).I usually drink coffee. I sometimes drink eight cups a day. ---Rose

③I exercise regularly(有规律地).Sometimes I spend 4 or 5 hours on it in one day.  ---Sam

④I have a bar(条/根) of chocolate sometimes. I can’t eat a lot of it, because it makes me heavy.   ---Kim

⑤I have a TV in my living room, one is in my dining room, one is in my bedroom. I even have one in the bathroom(浴室).  --- John

⑥I spend a lot of time shopping, but I don’t spend a great deal of (大的量)money. I mostly (主要) do window shopping.     ---Jenny

小题1: How often does Harry get a haircut?

     

A.Once a month

B.Twice a year

C.hardly ever

D.Always小题2:How many TVs does John have?

     

A.Four

B.Three

C.Two

D.Five小题3:How much time does Sam spend on exercise?

A.Four or five hours in a day.

B.Five hours in one day.

C.Four hours in one day.

D.One day.小题4: Kim has chocolate _________ ,while(而) Jenny spends ________ shopping.

A.once, a lot of time

B.sometimes, a great deal of money

C.sometimes, a lot of time

D.once, a great deal of money

题型:单项选择题

相同状况下,在体积相同的三个烧瓶中分别盛NH3 和HCl、NO2气体,并分别倒立在水槽里充分溶解后烧瓶内三种溶液的物质的量浓度比为 [ ]

A.1:1:1

B.2:2:3

C.3:3:2

D.2:2:1

题型:单项选择题

先天性无丙种球蛋白血症易发生在()

A.新生儿期

B.出生半年内

C.婴幼儿

D.青少年

E.青壮年

题型:单项选择题
甲数的
2
3
等于乙数的
3
5
(甲、乙两数都不为0),______数大.
题型:单项选择题

厌食而兼嗳气酸腐、脘腹胀满属于()

A.脾胃虚弱

B.湿盛困脾

C.食滞胃脘

D.肝胆湿热

E.妊娠恶阻

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