完形填空 Directions: There are 10 blanks in the following passage. For each blank there are four choices marked A, B, C and D、 You should choose the ONE that best fits into the passage and put the corresponding letter on the Answer Sheet.

Chinese-Americans today have higher incomes than Americans in general. One-fourth of all 36________Chinese-Americans are working in scientific and professional 37________. The Chinese have risen to this position 38_______some of the harshest discrimination and violence  39_______ any immigrants in thehistory of this country.Today,  40 of the Chinese prosperity( 成功) is   41_______the simple fact that they work harder and take 42_______ of educational opportunities.Chinese-Americans have had three Noble 43_______  winners, all in physics. Many more have PhDs, especially from high 44_______ universities. Among academics, Asians publish more than 45_______ blacks or whites.

36.