对于飞机和初级飞机的学生驾驶员，单飞前应当完成的适用动作与程

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问题单项选择题

对于飞机和初级飞机的学生驾驶员，单飞前应当完成的适用动作与程序的飞行训练包括：（）.

①设备故障和应急程序

②防撞、避让风切变和避让尾流颠簸

③复飞

A.①③

B.②③

C.①②③

答案

参考答案：C

补全对话，情景问答

填空完成对话。

A: ____________ are you going on your holiday?

B: I'm ____________ to visit Kunming.

A: ____________ are you going to get there?

B: By ____________.

A: ________________________________________________?

B: I'm going to the Stone Forest and eat good food.

A: ________________________________________________?

B: I'm going on August 7th.

A: Is Kunming ________________________ Beijing?

B: Yes. It's three hours ____________ plane.

A: ____________________________________ there?

B: It's sunny and warm.

填空题

设α=(1，1，1)^T，β=(1，0，k)^T．若矩阵αβ^T相似于

则k=______.