All science students,______,should have a good foundation in basic sciences.a.whether they are future physicists and chemists b.they are future physicists or chemists c.they should be future physicists or chemists d.be they future physicists or chemists选啥,为何?

问题描述:

All science students,______,should have a good foundation in basic sciences.
a.whether they are future physicists and chemists
b.they are future physicists or chemists
c.they should be future physicists or chemists
d.be they future physicists or chemists
选啥,为何?