10.Since we have a focused subject, we should not talk _______.
A.at once          B.at hand         C.at intervals       D.at random

Ⅱ.Cloze Test (10 points, 1 point for each item)
   下列短文中有十个空白，每个空白有四个选项。根据上下文要求选出最佳答案，并将选项号填在答题纸的相应位置上。

   Economists believe that job earnings influence choice of occupation. They acknowledge that people place varying emphasis __11__income, but point out that workers tend to move from one occupation to another __12__changes in salaries. In 1931, H.F.Clark, an economist, stated that “proper information regarding wages if sufficiently __13__ upon people, will lead to correct choice of occupation and correct __14__ of people in an occupation, provided barriers to occupations have been removed.” This means that the supply and demand of workers have __15__to do with wages, __16__in turn influence people to choose certain careers.. However, all barriers to occupations will have to be removed __17__ career choices can be __18__ by economics alone. There is little question __19__economic factors have some influence on choice of an occupation. But to picture them as the major or most important reason __20__ against the soundest of folk wisdom:“Man does not live by bread alone.”

11.A.in            B.on                C.into              D.for
12.A.despite       B.other than        C.through           D.because of
13.A.to impress    B.to be impressed   C.impress           D.impressed
14.A.number        B.amount            C.deal              D.quantity
15.A.many          B.much              C.lot               D.nothing
16.A.it            B.that              C.which             D.where
17.A.before        B.after             C.until             D.when