简答题 The senators didn’t expect us to ask such tough questions, and when we finally did, they
Got ________and didn’t know what to say.

简答题 he is a man with a(n) ________ business sense. He has built his initial investment into a
Substantial and even excessively large fortune.

简答题 with the data collected each year, the owner of the shop can ________, customer trends and how things like weather and economic indicators affect sales performance.

简答题 as the gender barriers __________, the number of women working as lawyers, doctors, or bankers began to increase significantly from the mid-20th century.

简答题 Sixty-two and blessed with his mother skin, the fisherman had withstood a lifetime of exposure to the sun and looked as _________ as a man in his forties.

简答题 I was not only shocked but also disgusted that the report tried to _______ the scientific facts in such a manner that even some highly-educated people were fooled.

简答题 The _________ of nuclear radiation directly into electricity was an exciting possibility
That was being vigorously explored in many laboratories in the 1950s.

简答题 French educator Louis Braille invented a simple but ________code which has had an impact on the lives of generations of people who are blind.