单项选择题A．Chairman of the Social Science SocietyB．Chairman of the Natural Science SocietyC．Chairman of the Environmental Work SocietyD．Chairman of the Literature Society

单项选择题A．to make much more effort in his course workB．to cut down on his Union activitiesC．to turn to the Welfare OfficeD．to take part-time jobs for tuition fees

单项选择题A．helping Iraq with reconstructionB．reasserting law and orderC．adopting a new constitutionD．reform the Iraqi army

单项选择题A．is a freshmanB．is a bad studentC．is declining in his course studyD．has spent most of his time on course work

单项选择题______ inside the sentence is the opposite to linear relations in syntax.