制约小学课程的三大因素是社会、_____和_____。
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A. sides
B. colours
C. ways
D. meanings
商业贿赂是指经营者以排斥竞争对手为目的,为使自己在销售或购买商品或提供服务等业务活动中获得利益,而采取的向交易相对人及其职员或其代理人提供或许诺提供某种利益,从而实现交易的不正当竞争行为。 根据上述定义,下列不届于商业贿赂的是( )。
A. 某店主为促使导游引导外地来此游客到共商厦购物,规定凡导游带领游客到商厦购物的,按游客人数给付导游和司机一定金额的“导购费”
B. 2004年3月,世界500强之一的默沙东(MS公司解雇20多名中国分区副经理和医药代表,理由是替客户或合作方“以学术推广的名义报销娱乐费”
C. 朗讯解除了其中国区总裁戚道协,首席运营官关赫德及财务主管和市场部经理的职务,理由是他们为合作方提供回扣
D. 某学校对来参加该校60周年校庆活动的校友和贵宾都赠送了一盒精美的礼品,还邀请他们共进了丰盛的午餐
_____、知识、_____是制约学校课程的三大因素。
The banana "tree" is actually not a real tree. This is because there is no wood in the stem (树 干) rising above the ground. The stem is made up of leaves growing very close together, one inside the other. The leaves spread out at the top of the stem and rise in the air.Banana plants need a lot of care and attention. They must be provided with water if the normal rainfall doesn’t supply enough. The area around the plants must be kept free of weeds (杂草) and grass.About nine or ten months after planting, a flower appears on the banana plant. This flower is at the end of a long stalk (茎), which grows from the base up through the center of the stem arid turns downward when it comes out from the top. Small bananas form on this flower stalk as it grows downward. Bananas really grow upside down. As the small bananas form on the stalk, they, point downward, but as they grow they turn and point upward.Bananas are harvested while they are still green. Even when they are to be eaten where they are grown, they are not allowed to ripen on the plant. A banana that turns yellow on the plant loses its taste., The underlined word "it" in the third paragraph refers to ()
A. the leaf
B. the stalk
C. the stem
D. the plant