【简答题】考虑屈曲后强度的梁与不考虑屈曲后强度的梁相比,其腹板的抗剪承载力。
【判断题】“p、t、k、c、ch、q”六个声母都是送气声母。( )
【单选题】What do we learn about the international scientists'research?
A.
They kept detailed records of all the elephants.
B.
They compared zoo-born elephants with wild ones.
C.
They explain clearly why wild elephants are healthier.
D.
They focus on female elephants captured in the wild.
【多选题】关于储蓄率的变化对经济增长的影响,下列说法中正确的是
【单选题】—Which province is the ________ one in winter? —It should be Hainan Province, I think. A.coldest B.hotter C.warmest D.cooler
【判断题】专家测试是将原型呈现给相关领域的专家,由他们给出专业性的反馈意见。
【简答题】DNA的生物合成有两种方式,它们是以DNA为模板的DNA生物合成和__________。