"在很大程度上"翻译为 A: to a certain extent B: to some extent C: to a large extent

Not until Kentucky's Mammoth Cave had been completely explored in 1972______. A: when was its full extent realized B: that its full extent realized C: was its full extent realized D: the realimtion of its full extent

When television was first introduced, it would affect society to the extent and the extent could not have been foreseen.

extent是指程度

It is useful to be able to predict the extent ____

I'm glad,( ) , that you lost the game this time. A: to an extent B: on a way C: to some extent D: in another way

Of great interest or attraction. A: fascinating B: necessity C: to a very real extent / to a certain extent D: establish E: put into practice

The extent of the damage could not have been predicted.

In order to impress people or make people notice. A: put into practice B: to a very real extent / to a certain extent C: conque D: esemble E: for effect

3. Which of the following sentence is right? A: The goal is to learn their risk of thyroid cancer the extent to which radiation may increase. B: The goal is to learn the extent to which radiation may increase their risk of thyroid cancer. C: The goal may increase their risk of thyroid cancer is to learn the extent to which radiation. D: The goal is to learn the extent to radiation which may increase their risk of thyroid cancer.