Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
| A．pile up | B．build up | C．keep up | D．pull up |
When and where we are going to hold the ball _____. So we’d better wait until we _____.
| A．is not announced; are informed | B．doesn’t announce; inform |
| C．are not announced; have been informed | D．don’t announce; have informed |
. Beijing took steps to limit the kinds of high-risk of borrowing money from the banks that can create the high price of housing, happened in the United States.
| A．what | B．that | C．how | D．as |
. David_________the test for further study in the USA. Let’s have a small party to congratulate him on his success.
A. has passed B. has been passing C. is passing D. had passed
Many people in that country eat ________ as they actually need every day.
| A．twice meat as much | B．twice as much meat |
| C．as twice much meat | D．meat as much twice |
. We all __________ Yang Li Wei, who is the first Chinese astronaut to take a journey to space.
A. look down upon B. look up to C. add up to D
. put up with