飞行机组应每（）年在B737-700/800机型复训及熟练检查中进行一次_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

飞行机组应每（）年在B737-700/800机型复训及熟练检查中进行一次HGS训练，并要有HGS训练结论。

A.半年

B.1年

C.2年

D.机长每半年，副驾驶每1年

答案

参考答案：B

完形填空

短文填空（共15小题，每小题1分；满分15分）

by together housework invited is however anyone that

As the World Cup is going on, South Africa’s football grandmothers are also working hard. The team 小题1:made up of 35 women, aged from 50 to 84. It was developed 小题2: a housewife five years ago to help old women keep fit. The project has been so successful 小题3: they will take part in the Veterans Cup competition (元老杯足球联赛) in the USA.
"We are小题4:to play in the Veterans Cup, where many grandmothers from all over the world come 小题5:and play football, "said the team leader.
Whatever happens, 小题6:, the grandmothers have no regrets. Most of them often play football in their aprons (围裙) after 小题7: .
"I suffered back pain and sore knees (腰酸腿痛) before joining the team three years ago. Now I am fresh. I don’t feel 小题8: pain in my body，and I can run．At home I do all the housework by myself!” said 小题9: of the grandmothers．

问答题简答题

简述基因表达的特点及表达方式。