工程量清单的主要作用有（） ["工程量清单为投标人的投标竞争提供了一个平等和共同的基础","工程量清单是建设工程计价的依据","工程量清单是工程付款和结算的依据","工程量清单是工程竣工决算的依据","工程量清单是调整工程价款、处理工程索赔的依据"]
A user is unable to determine the default system texteditor. How can the local administrator assist the user by identifying the default text editor for the system?（） ["Login as the user and run 'echo $ENV'.","Login as root and run the 'env' command.","Login as root and 'cat \/etc\/environment'.","Login as the user and run the 'env' command."]
保管合同的任何一方变更或解除合同不可以免除责任的是（） ["在不损害国家利益的前提下，双方经过协商同意变更或解除合同的","由于不可抗力的原因，造成合同无法履行","当事人由于经济危机遭受亏损，无法履行合同的","当事人一方由于抢险救灾，致使合同无法履行的"]
肖像权
Click the Exhibit button. What two must the programmer do to correct the compilation errors? （） ["insert a call to this() in the Car constructor","insert a call to this() in the MeGo constructor","insert a call to super() in the MeGo constructor","insert a call to super(vin) in the MeGo constructor","change the wheelCount variable in Car to protected","change line 3 in the MeGo class to super.wheelCount = 3"]
结合实际谈谈如何维护和增进大学教师的心理健康？
