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【单选题】
保险公司的利润主要来源于（ ）A.
承保利润和广告利润
B.
承保利润和推销利润
C.
投资利润和广告利润
D.
承保利润和投资利润
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【单选题】理想气体反应 CO(g) + H 2 O(g) = H 2 (g) + CO 2 (g) ,下述哪种关系是正确的?
A.
K x p
B.
K p =K x
C.
K x =K c
D.
K p c
【单选题】理想气体反应CO(g)+2H 2 (g)→CH 3 OH(g)的 与温度T的关系为： ，若要使反应的平衡常数 ，则应控制的反应温度：( )。
A.
必须低于409.3K
B.
必须高于409.3K
C.
必须等于409.3K
【单选题】Read the following four summaries of the original text and decide which one retains the main idea with vocabulary and structure changes. Original text: In every corner of the globe, aboriginal and tra...
A.
Aboriginal cultures, such as those in Australia or Japan, are valuable because they represent a wealth of musical linguistic and ceremonial traditions.
B.
Today the cultures of indigenous groups such as the Teleut in Siberia or the Ainu in japan are under threat. For around the last 200 years, industrialization and migration have weakened the cultures and customs of these groups. As a consequence, the survival of many different lifestyles is uncertain and the world risks losing forever its valuable diversity.
C.
Because of the process of industrialization and settlement of new people, aboriginal and traditional cultures are slowly disappearing.
D.
The twin processes of industrialization and migration have led to the demise of traditional cultures around the world, with many languages and customs potentially vanishing forever.
【简答题】请把下面的句子翻译成汉语(文字作答): The main reason why the average score of Chinese students in IELTS is even one point lower than Japan after so many years of hardworking is the way in which they learn only focuses...
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