砌筑砂浆标号用7.07cm立方体试块经(20±5)℃正常湿度条件下的室内不通风处养护28d的平均抗压极限强度确定。
参考答案:对
Under the environment of fierce competition, the only way John could imagine _____ pressure was
to work harder by making greater efforts.
A. handling
B. to handle
C. handled
D. having handled
肇庆市的最高峰位于()境内。
A、封开
B、怀集
C、德庆
D、广宁