单项选择题
A.beneficial B.valid C.advisable D.worthy
The present difficulties()from our failure to deal with...
单项选择题The present difficulties()from our failure to deal with the problem when it first arose.
A.step B.stem C.steer D.sponsor
The one pleasure that Einstein()his great fame was the ...
单项选择题The one pleasure that Einstein()his great fame was the ability it gave him to help others.
A.resulted from B.stirred up C.turned out D.derived from
She was()what she had written so as to make the theme s...
单项选择题She was()what she had written so as to make the theme stand out more clearly.
A.repairing B.revising C.remedying D.reforming