铁线蕨在地面上直立生长的部分是( ) A.茎和叶 B.叶 C.芽和叶 D.假根和

题型:选择题

问题:

铁线蕨在地面上直立生长的部分是(  )

A.茎和叶

B.叶

C.芽和叶

D.假根和叶

考点:藻类,苔藓,蕨类植物的生活环境种子植物的结构和功能
题型:选择题
阅读下面的短文,从所给单词中选出适当的单词,并且用其正确的语言形式填在标有题号的空白处,使句意通顺完整。(每空一词,每个单词使用一次)
them   people   many   like    have  do    around    save   
cost   for     when   spend   also     popular    buy  
Cars are very   小题1:   , but too    小题2:   cars make much pollution (污染). Now the idea of “car sharing”(拼车) is popular     小题3:    the world. That’s to say, more     小题4:    are sharing the use of the car. Not everyone   小题5:   a car. As we know, so many families have cars today, most of     小题6:   don’t use it everyday. Some cars  小题7:  most of their time staying in garages(车库). We don’t use them, but parking(停车) and other things can    小题8:   us a lot. That needs a lot of money.
To 小题9:  money, some people thought of the idea of “car sharing”. If we share a car, we can only pay for it  小题10:   we use it. Now more and more people would  小题11:  to do car sharing. In Switzerland(瑞士), about 40,000 people are  小题12:  this thing. Japan is  小题13:  trying to make “car sharing” popular around the country.
“Car sharing” is a new idea in transportation(交通). It is also very easy  小题14:  us to go everywhere we want without   小题15: a car.
题型:选择题

以下哪项不是鹉掌风的特点

A.常对称性发病

B.散在或簇集的皮下小水疱

C.初起多在指端腹侧,可侵及甲板

D.疱壁破裂,叠起白皮

E.中心痊愈,四周续起疱疹

题型:选择题

可引起腹痛的全身性疾病不包括()。

A.Crohn病

B.过敏性紫癜

C.风湿热

D.铅中毒

E.血卟啉病

题型:选择题

以下不属于钢筋混凝土结构建筑的结构形式是()。

A.筒体结构

B.框架剪力墙结构

C.剪力墙结构

D.简易结构

题型:选择题

如何进出轿厢?

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