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举一反三
【简答题】什么是第一、第二胶结界面?
【单选题】阅读以下文字,完成以下问题。 珊瑚礁是由造礁珊瑚的骨骸与少量石灰质藻类及贝壳等长期胶结而形成的一种有孔隙的钙质隆起。根据珊瑚礁形态与岸线的关系,可分为岸礁、堡礁和环礁。岸礁通常贴近海岸生长发育;堡礁与岸线大致平行,但与岸有一定的距离,中间有泻湖隔开;环礁平面上呈环状,其间是泻湖水域。澳大利亚东岸的大堡礁,是世界闻名的珊瑚礁。 根据2004年世界珊瑚礁状况报告,全球三分之二以上的珊瑚礁遭到严重破坏或...
A.
珊瑚礁是由造礁珊瑚的骨骸与少量石灰质藻类形成的
B.
根据珊瑚礁形态与岸线的关系,可分为岸礁、堡礁和环礁
C.
溶解在海水里的二氧化碳的浓度的增加将导致海水酸度增加,而这将减少珊瑚礁的形成
D.
珊瑚礁是由造礁珊瑚的骨骸与少量石灰质藻类及贝壳等长期胶结而形成的一种有孔隙的钙质隆起
【简答题】已知(2x-1) 5 =a 0 x 5 +a 1 x 4 +a 2 x 3 +a 3 x 2 +a 4 x+a 5 ,则a 1 +a 3 +a 5 =______.
【单选题】The author would probably agree that ______.
A.
boys and girls learn in the same way
B.
boys and girls are equal in general intelligence
C.
girls are more confident in themselves than before
D.
girls should take fewer science courses than boys
【单选题】The high percentage of boys among mathematical prodigies __________.
A.
means that boys are cleverer in mathematics than girls
B.
doesnt mean that boys are cleverer in mathematics than girls
C.
means that boys do much better in math exams than girls
D.
may be explained by the fact that boys work harder than girls
【简答题】“Boys” in the 17th paragraph implies that__________. [A] boys are not as quiet as girls [B] boys love to have fun by nature [C] boys are too naughty to be obedient [D] boys are more adventurous than g...
【单选题】What maxim is flouted in such extreme examples of tautologies as 'Boys are boys', and'Lies are lies'?
A.
The maxim of quantity.
B.
The maxim of quality.
C.
The maxim of relevance.
D.
The maxim of manner.
【单选题】She said, 'There are twenty boys in my class.' She said that ______. [     ]
A.
there were twenty boys in my class
B.
there were twenty boys in her class
C.
there are twenty boys in her class
D.
there are twenty boys in my class
【单选题】— My sons are not a little restless. — Oh? Boys _______ be boys.
A.
should
B.
can
C.
may
D.
will
【简答题】阅读以下文字,完成以下问题。 珊瑚礁是由造礁珊瑚的骨骸与少量石灰质藻类及贝壳等长期胶结而形成的一种有孔隙的钙质隆起。根据珊瑚礁形态与岸线的关系,可分为岸礁、堡礁和环礁。岸礁通常贴近海岸生长发育;堡礁与岸线大致平行,但与岸有一定的距离,中间有泻湖隔开;环礁平面上呈环状,其间是泻湖水域。澳大利亚东岸的大堡礁,是世界闻名的珊瑚礁。 根据2004年世界珊瑚礁状况报告,全球三分之二以上的珊瑚礁遭到严重破坏或...
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