题目

用括号内所给单词的适当形式填空,词数不限。 1.Do you know the _______(important) of eating breakfast? 2. That’s a fair idea. You needn’t wonder the _______(fair) of it. 3. In Western countries, people eat with forks and ______________ (knife). 4. They made a _____________(decide)to help the homeless children. 5. Althoudh he hurt his knee, he still kept on _______(run) to the end. 6. My father was so tired that he fell ____________ (sleep) quickly. 7.  Please be honest and tell the ____________ (true) about this accident.下列等式中，正确的是（ ）A．3a+2b=5ab B．2（a﹣b）=2a﹣bC．（a﹣b）2=a2﹣b2 D．（﹣2a3）2=4a6