【名词&注释】
土地利用类型(land use type)、社会福利(social welfare)、保障制度(security system)、高等植物(higher plants)、进一步(further)、中央财政(central finance)、适龄儿童(children of school age)、失业保险金(unemployment insurance benefits)、蝶形花冠(papilionaceous corolla)、内皮层(endodermis)
[单选题]蝶形花冠(papilionaceous corolla)中位于最内方的是( )。
A. 旗瓣
B. 翼瓣
C. 龙骨瓣
D. 唇瓣
查看答案&解析
举一反三：
[单选题]仙人掌上的刺是( )。
A. 茎刺
B. 皮刺
C. 叶刺
[单选题]在三角洲向海 洋推进的过程中，土地利用类型变化的一般趋势是
A. 滩涂一盐荒地一旱地
B. 盐荒地—滩涂-旱地
C. 旱地一盐荒地—滩涂
D. 林草地一旱地—滩涂
[单选题]近年来，我国进一步健全社会保障制度。下列属于社会福利方面的措施是（ ）。
A. 提高失业保险金(unemployment insurance benefits)的标准
B. 增加企业退休人员的基本养老金
C. 中央财政增加补助地方城市最低生活保障资金
D. 在全国范围内对适龄儿童(children of school age)实行免费常规疫苗接种
[单选题]侧根起源于根的内部组织即内皮层(endodermis)，因此把这种起源方式称为内起源。 ( )
A. 正确
B. 错误
[单选题]不孕花见于( )。
A. 忍冬属
B. 荚蒾属
C. 锦带花属
D. A和B
[单选题]高等植物的祖先可能是下列藻类中的( )。
A. 蓝藻门
B. 裸藻门
C. 绿藻门
D. 硅藻门
[单选题]D Sitting on the peaceful coast of the Calapagon Islands. Ecuador , watching the sun move quietly into the sea, you shouldn’t forget the Charles Darwin (1809 – 1882) arrived here in 1835. He famous work. On the Origin of Species. You can certainly follow Darwin’s footsteps and enjoy a trip from four to seven days to the islands. The islands are centainly a paradise (天堂) for wildlife, as there are no natural killers on the islands and the number of beais and visitors is under govenment control.Though you cannot walk freely as Darwin die hour 200 years ago ,esch day is as impressive as it could be. The most well crown animal of the Calapagos is the giant tortoisc ( 巨型陆龟),which can be seen moving slowly around the highlands of Sanra Cruz,the second largest island in the suchipelago.Some of these creatures are so old that they might have been seen in their youth by Darwin himself. Despite strict control over activities and timing,you stay on the Galapagos will be remembered as a chain of incomparable pictures;diving with sea how that wim and play within inches of you; feeling small shaks touch you feet as you swim and ,most magically , seeing a with and her bady surface with great breath of air. Travleing between the islands and observing the wildlife that so inspired Darwin , you will fell as though you are getting a special view of an untouched world .At night you will sleep on board the ship , leaving the wildlife in complete occupation of the islands, which are as undisturbed now ai they have been since the beginning of time.第68题：What do we know about Darwin’svisit to the istands.
A. studkd afleient cnt cpeatures on the islands.
B. He completed his famous book on the istands.
C. He was touched by the geographs of the istands.
D. He was attracted by well known animals of the islands.
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