冻土是指（），冻土深度以（）单位，取（）、（）。
参考答案：含有水分的土壤因温度下降到0℃或以下时而呈冻结的状态；厘米；整数；小数四舍五入
In the murder case, the suspect ______ all the charges against him, so the police had to collect new evidence and ______ new strategies to prove that he was guilty of the crime. [ ]
A. refused; employ
B. rejected; apply
C. denied; employ
D. turned down ; use
实现职业理想的过程，就是（）的过程。
A、员工自我实现
B、个人地位提高和财富积聚
C、从业者追求人生价值
D、赶超前人
