比赛中，20平后，领先得（）分的一方获胜A、1B、2C、3D、4

句子填空（共10小题；每小题1分，满分10分）

76. Jane can’t f               herself for not reaching the company on time before the interviewer left.

77. We should have a balanced diet in order to keep h            .

78. Between Saturday and Monday, it is S            .

79. Tom was b            up by his uncle, so he treated his uncle as his father.

80. It’s a            how much pleasure you get out of the simple things in life, especially if you can’t have them for a while.

81. Well, I can’t say that I have any plans. I’m hoping to find work. As a matter of f            , I landed in Britain by accident.

82. Mammals can give b            to young baby animals and produced milk to feed them.

83. Many competitors in Calgary Stampede have a g            for riding wild horsed and can win thousands of dollars in prizes.

84. That story can r            me of my childhood in the small village.

85. His illness led to his absence. That is to say, his illness a              for his absence.

判断给定化学反应是否为氧化还原反应的依据是[ ]

A．看反应前后是否有氧原子的得失

B．看反应前后是否有原子的重新组合

C．看反应前后是否有电子的得失或偏移

D．看反应前后是否有元素的化合价发生改变

（）是指项目管理体系中为保证项目的完成，在项目组织、人力资源配备、行政与后勤等方面提供服务与支持的部门单元。

A.直接管理系统

B.项目服务支持系统

C.直接管理子系统

D.项目服务支持子系统

下列各组中的实验步骤及现象，能达到相应实验目的的是

	实验目的	实验步骤及现象
A	检验亚硫酸钠试样是否变质	试样白色沉淀沉淀不溶解
B	制取氯气并探究氯气是否具有漂白性	MnO2和稀盐酸气体褪色
C	证明酸性条件H2O2氧化性比I2强	碘化钠溶液溶液变蓝色
D	探究浓度对于化学平衡的影响	FeCl3和KSCN混合溶液红色变深

颗粒污染物中，粒径在10bm以下的称为( )。

A．TSP

B．PM10

C．降尘

D．烟尘