Which of the following is true of the fossil deposits discussed in the passage?
A、They include examples of newly discovered species.
B、They contain large numbers of well-preserved specimens
C、They are older than fossils found in other places.
D、They have been analyzed more carefully than other fossils.
All of the following are mentioned as factors that encourage fossilization except the
A、speed of burying
B、conditions of the water
C、rate at which soft tissues decay
D、cause of death of the animal
下面的短文有10处空白,每处空白后的括号内有一个词,请根据短文内容将其正确的形 式填入文中,以恢复文章原貌。Testing:Is it the Only Way to Evaluate Students?About ten percent of___41___(spend) on primary and secondary education in the United States comes from the federal government. For ten years now, federal law has tied this cost to student ___42___(perform) .States have been required to show progress through___43___(year) testing.States say testing tells only part of the story about efforts by schools and students to improve. Sothe Obama administration has eased the limits on states in ___44___(measure) performance.The western state of Colorado, for example,has a new___45___(assess) method.Theideaisto show___46___(academy) growth, not just achievement on tests. It combines test scores, family incomelevels, school size, the ethnicity of the student and many other factors.Josh Smith is principal of a middle school in a network of public charter schools ___47___(call) West Denver Prep. Charter schools are publicly funded but not operated the same as ___48___(tradition) public schools. Mr.Smith says he likes to show his students this graph so they can see theirschool's progress. On average, students enter sixth grade at West Denver Prep ___49___(perform) below grade level.___50___(strange) enough, most are outperforming other students across thestate three years later.