Question

Some Math problems are difficult for the students ...

Some Math problems are difficult for the students work out. A．so, that B．not, but C．such, that D．too, to

Answer 1

D

试题分析：句意：一些数学难题对于学生太难而算不出来。so…that such…that ,如此……以至于……。that后加从句。not,but。不是……而是。too,to太……而不做……。根据句意，故选D。