搜题请搜索小程序“爱下问搜题”
问题 判断题

水泥的体积安定性不合格可以降低等级使用。（）

答案

参考答案：错

填空题

CONVERSATION 1 (Questions 1-4)


Miss Jones: responsible for marketing (1) UK hotels.
Miss Jones: responsible for markets in (2) and Japan.
Miss Jones has had a lot of contact with Japan because (3) have become very popular with the Japanese.
Miss Jones traveled across China by train about (4) years ago.
查看答案
单项选择题

肺循环阻力增高性肺动脉高压与高流量性肺动脉高压主要不同点在于前者()

A．肺动脉段凸出

B．肺门动脉增粗

C．肺动脉截断征

D．右心室增大

E．肺血管搏动增强
查看答案