单选题______ a major disaster will get us to realize that we can"t go on destroying the rain forests of the world.
单选题我国多党合作的首要前提和根本保证是 ( )
单选题从教育研究对象上看，既要看到过去，又要看到现在，更重要的是看到将来。即要坚持( )
单选题信息由短时记忆转入长时记忆的条件是( )
单选题As Commander-in-chief of the armed forces, I have directed that all measures ______ for our defense.
单选题下列案例中哪一项成立犯罪未遂 ( )
单选题A
The European Community
says B
it
will C
consider to use
force and that is needed for D
peace keeping
in the region.
单选题We ______ for her because she never came.
单选题设f"(x)在[1，2]上可积，且f(1)=1，f(2)=1，______
单选题由美国管理学家彼得.德鲁克创立的，被称为“管理中的管理”的是()
单选题He was told he could join the army when he ______ old enough.
单选题若D=｛(x，y)｜a2≤x2+y2≤4a2，(a＞0)｝，则二重积分dxdy=()
单选题急性肾盂肾炎的基本病变属于( )
单选题设函数f(x)=(1+x)e
x
，则函数f(x) 【 】
单选题已满14周岁不满16周岁的人，犯下列( )，应当负刑事责任。
单选题
单选题400个24×24点阵汉字的字形库存储容量是____________。
单选题人类历史上曾出现过的“狼孩”事例，说明了______
单选题The technical advisor recommended that we ______ an inspection on the instrument once every month.
单选题《史记》的作者是 ( )