—Can you help me with this problem?—It's beyond my __________.I didn't work it out, either.

It is well known that Madam Curie won two Nobel Prizes for her scientific ______.

Due to the widespread________ of this medical technology, more diseases can be discovered and treated at an early stage.

 Do you have enough        to prove that you are right?

He tried to work in the government in order to get _______ to the useful information.