侧梁、端梁、枕梁、横梁、斜撑梁翼板横裂纹长度大于翼板宽的50%但未延及腹板时补（）补强板。
参考答案：平形
They made up their mind that they______ a new house once Larry changed jobs.
A．bought
B．would buy
C．have bought
D．had bought
据报载，阿根廷科技人员发明了一项果蔬脱水新方法--升华脱水法．其原理很简单：先将水果蔬菜冷冻后，放进低压的环境中，使冰直接从固态变为______态．
