一、单项填空
1．President Barack Obama has asked his economic team for ______recovery plan that creates 2.2 million jobs，for______US economy is losing jobs at an alarming rate.
A．a；the B．the；the
C．/；the D．a；/
解析：考查冠词。第一个空表示“一项”计划，因此用不定冠词a；第二个空特指美国经济，因此用定冠词the。
答案：A
2．Research universities have to keep up with the latest computer and scientific hardware______the price.
A．not to mention B．in addition to
C．on account of D．regardless of
解析：考查短语意义。句意：研究机构必须坚持更新使用最新的计算机和科学硬件而不考虑价格。not to mention“不提及”；in addition to“另外还有，补充”；on account of“因
