【单选题】How can we protect ourselves from this new and deadly virus according to the passage?
A.
Do not contact with anyone showing symptoms of coughing and sneezing
B.
Do not contact with anyone showing symptoms of fever and shortness of breath
【单选题】憨厚的山西商人遵从“ () ”,这是晋商的灵魂。
【判断题】当底板长度≥2500,底板钢筋长度均缩减10%
【单选题】未在《凡尔赛合约》上签字的国家是( )。
【判断题】当底板长度≥2500,底板钢筋长度均缩减10%