单选题下列作品中代表两汉时期散文最高成就的是( )
单选题When George was a little boy in primary school, he often______to school on foot.
单选题设a=｛一1，1，2｝，b=｛3，0，4｝，则向量a在向量b上的投影为 ( )
单选题若某PC机使用34根地址线，则CPU可访问的最大内存空间可达_______。
单选题Our new house is very______, for I can get to my office in five minutes.
单选题下列行为中不违法的是________。
单选题基本建设计划、新产品的开发计划属于( )计划。 ( )
单选题书面沟通存在的最主要的缺点是()
单选题I much prefer this candidate. I thought she was ______ better than the other one.
单选题体温是指( )
单选题There is A
hard
any B
vacant
hotel room C
available
D
during
the summer holidays.
单选题In Britain, the best season of the year is probably______ spring.
单选题设a为常数且a＞0，则级数______
单选题在单向风的影响下，树木对风适应的明显形态特征是
单选题计算机最主要的工作特点是______
单选题______ he will come is doubtful.
单选题It' s my great honor ______ to give a speech at the opening ceremony of the Art Festival.
单选题Please wait for the next boat. There is no______for you on this one.
单选题据传《左传》的作者是 ( )
单选题下列有关文学常识的表述，不正确的一项是 ( )