破坏性地震海啸发生的条件有哪些?

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问题:

破坏性地震海啸发生的条件有哪些?

考点:海洋知识竞赛海洋环境海洋环境题库
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下列混合溶液中,各离子浓度的大小顺序的表示中,正确的是                   ( )

A.10 mL 0.10 mol·L-1氨水与10 mL 0.10 mol·L-1盐酸混合

c(Cl-)> c(NH4+)> c(OH­ -) > c(H+)

B.10 mL 0.10 mol·L-1 NH4Cl溶液与5 mL 0.20 mol·L-1 NaOH溶液混合

c(Na+) = c(Cl­-])> c(OH­ -)> c(H+)

C.10 mL 0.10 mol·L-1 CH3COOH溶液与5 mL 0.20 mol·L-1 NaOH溶液混合

c(Na+)= c(CH3COO-) > c(OH­ -) > c(H+)

D.10 mL 0.50 mol·L-1 CH3COONa溶液与6 mL 1.0 mol·L-1盐酸混合c(Cl-) > c(Na+)> c(OH­ -) > c(H+)

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用方框中所给单词的适当形式填空,使短文通顺、正确、连贯﹙每个单词限用一次﹚

enjoy   with   enough   but   he   possible  only   mean   book   fact

Can you imagine inviting 12 friends to a party with only 35 yuan to spend? Or could you take a holiday in Tibet with 小题1:______ 500 yuan? Can you imagine making a short film with only 3,000yuan?

Well, you might say it’s 小题2:_____ because these things cost a lot of money.But Qiao Xiaodao,, a 36-year-old artist, shows it’s all possible in his小题3:_______ The Good Life Doesn’t Have to Cost a Fortune﹙大笔钱﹚。“People like to say that ‘I will do something as soon as I have got 小题4:______ money’,but you should never let money become a problem to stop you from 小题5:_____ a happy life,” he said. Qiao lived a cheap 小题6:______ wonderful life. He started a rock band with his nephew, and 小题7:________ own CD record came out a few years ago.“In 小题8:_____, we can do many things with only a little money,”he said. “A happy life 小题9:______ that you are able to feed yourself every day, to have money to make your dream come true, and to be good 小题10:______ family members,”said Qiao.

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某技术改造项目有四个互斥方案,其投资额和年净收益额如表2所示。

由表2可知,最佳方案为方案()。

A.1

B.2

C.3

D.4

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简述成熟烟叶的一般特征?

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