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Look After Your Voice{{/B}} Often speakers at a meeting experience dry mouths and ask for a glass of water. You can solve the problem by activating the saliva in your mouth. First gently bite the edges of your tongue with your teeth. Or, press your entire tongue to the bottom of your mouth and hold it there until the saliva flow. Or you can imagine that you are slicing a big juicy lemon and sucking the juice. Before you begin your talk, be kind to your voice. Avoid milk or creamy drinks that coat your throat. Keep your throat wet by drinking a little sweetened warm tea or diluted fruit juice. If you sense that you are losing your voice, stop talking completely. Save your voice for you [单选题]某施工项目经理对商品混凝土的施工成本进行分析，发现其目标成本是44万元，实际成本是48万元，因此要分析产量、单价、损耗率等因素对混凝土成本的影响程度，最适宜采用的分析方法是（ ）。
A.比较法 B.构成比率法 C.因素分析法 D.动态比率法 [单选题]视物昏暗不明，模糊不清者为
A.目痒 B.目昏 C.目眩 D.雀目 E.以上都不是 [单选题]当继电器的线圈得电时,将会产生( )。
A.常开触点和常闭触点都闭合 B.常开触点和常闭触点都断开 C.常开触点闭合,常闭触点断开 D.常开触点断开,常闭触点闭合 [判断题]双向运行的自动闭塞区段，当区间被占用或轨道电路失效时，经两站工作人员确认后可通过规定的手续改变运行方向。
A.正确 B.错误 [判断题]我国刑法规定的最低刑事责任年龄是16周岁。
A.正确 B.错误 [判断题]行车值班员最后一班载客列车开出前10分钟关闭 TVM、进站闸机，通知停止售票和兑零工作，并做好广播。
A.正确 B.错误 [判断题]对于燃烧调节系统，一般要求烟气中的含氧量随负荷的变化而变化，负荷低时，要求含氧量低；负荷高时，要求含氧量高。（ ）[1.0分]
A.正确 B.错误 [单选题]“假币”印章应盖在假币背面的( )位置。
A.中间 B.安全线 C.左侧 D.右侧 [填空题]In economics the value added by a manufacturing firm to its products is the difference between the price of a finished product and the cost of raw materials, parts supplies, fuel, and electrical energy used in the production of that product. When 1 in this manner, the value added by manufacture is a useful index of the manufacturing firm’’s 2 to the national economy. It is a more 3 index, of course, than 4 sales, a figure that is misleading because it tells 5 about production costs and 6 the manufacturing firm is 7 at a profit or at a loss.
In education there is now a spirited 8 as to whether such a concept would not be most 9 for college graduates is evidently 10 in the salaries they can command 11 receipt of a college degree. Engineers, accountants, and computer specialists command 12 salaries upon graduation and by implication, there must be an 13 value added to their marketability 14 the education and training they 15 in college. When looked at more closely, 16 ,the missing fac
A. A．realistic B．specific C．elastic D．economic [简答题]假如你被分配到不喜欢的地方工作你会怎么办？
[判断题]裸露爆破对药包形状有严格要求，切药包的厚度应大于底面的宽度。
A.正确 B.错误 我来回答: 提交
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