读图,回答下列问题。 小题1:若此图代表海陆间循环,则 A.甲处陆地,乙处是海

题型:选择题

问题:

读图,回答下列问题。

小题1:若此图代表海陆间循环,则

A.甲处陆地,乙处是海洋

B.③代表径流输送

C.乙处的降水量小于蒸发量

D.④代表地表蒸发和植物蒸腾小题2:若此图为太平洋某海域大洋环流,则

A.丙处有大渔场

B.②代表暖流

C.该地处于以副极地为中心的海域

D.④代表寒流小题3:若此图为北印度洋的大洋环流图,则

A.我国主要受极地大陆气团的影响

B.印度加尔各答吹东北风

C.南非开普敦进入多雨季节

D.非洲大陆动物向南迁移

考点:大气的水平运动热力环流
题型:选择题

某滩涂是丹顶鹤的栖息地之一,在该滩涂建立丹顶鹤自然保护区的主要目的是[ ]

A.对丹顶鹤和它们的生存环境就地保护

B.加入“世界生物圈保护区网”

C.将丹顶鹤迁入保护区进行迁地保护

D.防止滩涂生态环境的污染

题型:选择题

Rhinos(犀牛) are big and can be dangerous. They are also shy and seldom seen. Once there were hundreds of rhino species, but today there are only five. One ancient rhino called Indricotherium was the largest land mammal that ever lived. It was 5m high at the shoulders, and 8.5m long— twice the size of today’s biggest elephant! The living rhinos are still big, averaging 2-3m long and weighing up to 3,600kg.

To see all five species of living rhino you would need to do a bit of exploring. First you might visit Africa for a look at the white rhino and the black rhino. They live in Africa’s dry woodlands and grasslands. Then you could head to India and Nepal for a look at the Indian rhino. It lives in the high grasslands near rivers, where you have to ride an elephant to find one. Finally you might travel to the rainforests on the islands of Indonesia to see the Sumatran and Javan rhinos. These are the smallest and rarest rhinos in the world and extremely difficult to find.

Most rhinos are gentle and timid (胆小的).They have a bad reputation for being very aggressive, but that may be partly because they get frightened easily. Also, they have poor eyesight. They rely on their strong sense of smell to tell them a stranger is approaching, but if the wind is blowing the wrong way, they may not know someone is there until it’s too late.

Rhinos can be found only in their habitats, which is why habitat destruction has caused rhino populations to decline. As they disappear from certain places, their absence leads to many changes to the landscape. For example, black rhinos in Africa only eat shrubs (灌木) and small trees, pruning (修剪) the plants and limiting their growth. Many other species benefit from this, and as rhinos disappear, so do many other animals sharing their habitat. Bushes and trees take over the land and force species like the antelope to leave in search of food. In a short time the whole habitat has changed.

小题1:          From the text we learn that ______.

A.rhinos are all big and dangerous

B.rhino numbers have declined greatly

C.rhinos are twice as large as elephants

D.Indricotherium is the world’s biggest living animal now小题2:          The white rhino can be found in______.

A.Indonesia’s island

B.Nepal’s high grasslands

C.Africa’s dry woodlands and grasslands

D.India’s high grasslands near rivers小题3:          What can we conclude from Paragraph 2?

A.Most rhinos live alone.

B.Rhinos are disappearing from their habitats.

C.The five rhino species are all different in colour.

D.Rhinos’ habitat ranges from rainforests to grasslands.小题4:          The underlined word “aggressive” in Paragraph 3 can be replaced by_____.

A.energetic

B.attractive

C.useless

D.fierce小题5:          The example of the black rhinos in the last paragraph is mainly to show that_____.

A.rhinos only eat plants

B.all rhinos are endangered

C.all the habitat of rhinos has been damaged

D.the disappearance of rhinos has led to habitat change

题型:选择题

写出下列反应的表达式,化学反应类型

①硫在氧气中燃烧 ____                                 _____ _________

②加热氯酸钾 _____                                         ____ _________

③有火星四射现象的反应 ___                     ______ _________

题型:选择题

男,45岁,反复发作右肾绞痛1年,两年来常于进食肉类尤其是动物内脏后,出现双侧足趾关节红、肿、热、痛,KUB未见异常。

该患者为预防疾病的复发首选的药物治疗是()

A.碳酸氢钠片

B.枸橼酸钾溶液

C.氯化钾溶液

D.氯化铵片剂

E.碳酸氢钠溶液

题型:选择题

以下动物中属于“四灵”的是()。

A.獬豸

B.龙

C.凤

D.麒麟

E.乌龟

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