单项选择题 寡糖是由3个以上10个以下单糖分子通过糖苷键构成的聚合糖。（ ）

单项选择题 采用线下模式的平台一般采取口碑营销和网络营销的方式进行用户发展。

未知题型 A robot is so lifelike that its sweats are helping the US Army to test protective clothing. 'Manny', as the developer of the mannequin(人体模型), Battelle Laboratories, has christened(给……取名) it, is also【B1】the interest of clothing manufacturers, 【B2】are looking for more realistic tests【B3】clothing for sold weather and athletics.The original Manny, which【B4】$2 million, was sent to the army's Dugway Proving Ground in Utah in early November. The army【B5】uses Dugway to test chemical and biological【B6】. 'The mannequin resembles the human body in size, 【B7】and trunk geometry,' says David Bennett of Battelle's【B8】. Physics Center in Richland, Washing ton. 'It can【B9】complex body temperature and sweating. It will test the【B10】of clothing used to protect people【B11】chemicals, extremes of temperature and other【B12】environments.'Manny incorporates 12 heaters which【B13】the skin above them. Perspiration can be【B14】so that it fits the robot's action【B15】it can sweat more and heat up【B16】it is walking up stairs. The main【B17】of this system is that them is very little good【B18】around on just how much individual parts of the【B19】heat up and sweat in【B20】situations.【B1】A.excitingB.satisfyingC.producingD.moving