67.From the third paragraph we can get to know that _____.

A.military dogs are easy to be killed

B.military dogs often experience PTSD

C.training military dogs is difficult

D.PTSD is caused by dangerous dogs

68.When military dogs develop PCSD, they will .

A.express yhat9 s wrong with them

B.change their body temperature

C.attack soldiers without warning

D.stop their partner in a strange way

69.On battlefield military dogs become a key responsibility to ______.

A.discover dangerous tombs

B.experience PTSD

C.test their noses

D.treat PTSD

70.What is the theme of the passage?

A.Military Dogs Are Hard to Train

B.Electronic Equipment And Military Dogs

C.Military Dogs Play A key Role In Wars

D.PTAD Diagnosed Among Military Dogs

第四部分：书面表达(共两节，满分50分

第一节：完成句子(共10小题;每小题2分，满分20分)

阅读下列各小题，根据所给汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。

71.As reliable parents, they never give their son what he is promised.(fail)

作为可信赖的父母，他们从不食言给儿子他们已经答应过的东西。

72.You can hardly imagine the difficulty the woman had her children. (bring)

你几乎想象不到那位妇女在养育孩子时所遇到的艰辛。

73.I arrived late and missed the flight.I ______ the traffic to be so heavy.(expect)

我到达晚了，错过了航班。我没有想到交通会如此拥挤。