打工族和创业者的划分是泾渭分明的，年轻人要努力跻身创业者行列。
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丢失原始凭证、记账凭证、账页、账卡不报告，补制时弄虚作假的，给予记大过至开除处分。
A. 正确
B. 错误
土壤中的微生物分泌各种酸类物质破坏岩石，释放出养分，对改善土壤的肥力起着积极作用。
A. 正确
B. 错误
构件受拉力时，拉力是通过补板接缝一边的铆钉传给补板的。铆钉在传力中要承受（）作用。
A wildcat is a（）.
A. deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain
B. winch that is running out of control due to a failure of the overspeed trips
C. line that has jumped off the gypsyhead while under strain
D. nylon line that parts under strain and whips back in a hazardous manner
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