[单项选择]Dozens of scientific groups all over the world have been （） the goal of a practical and economic way to use sunlight to split water molecules.
A. pursuing
B. chasing
C. reaching
D. winning

[单项选择]Dozens of scientific groups all over the world have been __________ the goal of a practical and economic way to use sunlight and split water molecules.
A. pursuing
B. attaining
C. reaching
D. chasing

[单项选择]Dozens of scientific groups ail over the world have been ______ the goal of a practical and economic way to use sunlight to split water molecules.
A. pursuing
B. chasing
C. reaching
D. winning

[单项选择]The advertising industry in today's world does have its share of responsibilities in leading people to misconceptions.（）
A. for leading people to
B. to lead people to
C. to lead people into
D. for leading people into

[单项选择]Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlight to split water molecules.
A. reaching
B. winning
C. chasing
D. pursuing

[单项选择]Children all over the world start putting words together at ________ the same age, and follow very similar paths in their speech.


A. approximately
B. merely
C. scarcely
D. appropriately

[单项选择]Researchers all over the world have been seeking for determining how early infancy conceptual thinking is possible.


A. have been seeking about determining
B. have been seeking to determine about
C. have been seeking to determine
D. have sought to determine

[单项选择]

All over the world mention of the British education suggests a picture of the "public school", and it suggests in particular the names of certain very famous institutions--Eton, Oxford and cambridge; but people do not always realize what place these institutions occupy in the whole educational system. Oxford and Cambridge are universities, each having about 12,000 students out of a total of over 250,000 students at ail British universities. Eton is a public school and the best known of the public schools, which, in spite of their names, are not really public at all, but independent and private secondary schools taking boys from the ague of thirteen to eighteen years. The public schools in reality form a very small part of the school system of secondary education of Great Britain; only about one out of forty English boys goes to a public school, and one out of 1,500 to Eton.
Apart from the so-called public schools there is complete system of state primary
A. the whole of English educational practice has been greatly influenced by them
B. some of them are as famous as the universities Oxford and Cambridge
C. these public schools are quite different in form from the public schools in any other countries.
D. there are famous schools like Eton among them.