按广东农村信用社国际业务对汇兑业务的规定，以下不属于光票托收的业务流程的是（） A.

人工肩关节置换的适应证是（）。

A.难以复位的肱骨近端粉碎性骨折

B.肱骨头缺血性坏死

C.肱骨头肿瘤

D.肱骨头有严重病损，同时合并肩盂软骨病损但肩袖功能正常

E.以上都正确

— Who won _____ prize for the “Most Beautiful Nature” photography?

— _____ 18-year-old girl.

A．the; A

B．a; A

C．the; An

D．a; An

下图为“长江三角洲地区城市分布图”，读图回答下列问题。（14分）

(l）长江三角洲的城市等级体系共有＿＿＿＿＿＿级。简述不同规模城市服务功能的差异。（6分）

(2）长江三角洲地区城市分布特点是＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿。其原因有＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿。（8分）

The blue of the sea is caused by the scattering of sunlight by tiny particles suspended in the water. Blue light, being of short wavelength, is scattered more efficiently than light of longer wavelengths. Although waters of the open ocean are commonly some shade of blue, green water is commonly seen near coasts, especially in tropical or subtropical regions. This is caused by yellow pigments being mixed with blue water. Phytoplankton are one source of the yellow pigment. Other microscopic plants may color the water brown or brownish-red. Near the shore, silt or sediment in suspension can give water a brownish hue. Outflow of large rivers can often be observed many miles offshore by the coloration of suspended soil particles.Marine phytoplankton (Greek for "plant wanderers") are microscopic single-celled plants that include diatoms, dinoflagellates, coccolithophorids, green algae, and blue-green algae, among others. The growth of these organisms, which photosynthesize light, depends on a delicate balance of nutrient enrichment via vertical mixing, which is often limited by the availability of nitrogen and light. Diatoms are one-celled plants with patterned glass coverings. Each glass, or silicon dioxide box, is ornamented with species-specific designs, pits, and perforations making them popular with microscopists and, more recently, electron scanning microscopists.

Green water near coastlines is almost always caused by________.

A．sand color

B．red pigments in coastal waters

C．blue pigment

D．reflected light and yellow pigment from plant life

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