皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
信息科学在高速发展,但信息安全举步维艰,量子通信是迄今唯一被严格证明为无条件安全的通信方式。十多年来团队一直在为此努力并取得重大突破,已经为60周年国庆阅兵等国家重要政治活动提供了信息安全保障。材料说明 1实践是一种直接现实性活动 2真理是具体的有条件的 3实践是有目的有意识的活动 4真理的内容和形式具有客观性
A.
①②
B.
①③
C.
②④
D.
③④
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【判断题】[判断题]旋转机械振动的故障,都是在机械运行时才产生的,因此诊断应在机械运行中进行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The writer seems to think that critics' judgment on the role of advertising is______
A.
reasonable.
B.
unfair.
C.
superficial.
D.
foolish.
查看完整题目与答案
【判断题】旋转机械振动的故障,都是在机械运行时才产生的,因此诊断应在机械运行中进行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It is a (an) ______ truth that man is the only animal that has the power to speak and reason.
A.
worthy
B.
virtual
C.
universal
D.
indefinite
查看完整题目与答案
【单选题】Which of the following underlined parts is different in pronunciation with others?
A.
There is no reason for him to refuse me.
B.
The little girl in red is so cute.
C.
Don’t judge a person by his clothes.
D.
You can use my computer if you want.
查看完整题目与答案
【单选题】假设检验中,P与α的关系是
A.
P越大，α越大
B.
P越小，α越大
C.
二者均需事先确定
D.
二者均需通过计算确定
E.
P的大小与α无直接关系
查看完整题目与答案
【单选题】According to the author, shoppers are returning their purchases for all the following reasons EXCEPT that______.
A.
they are unsatisfied with the quality of the purchase
B.
they eventually find the purchase too expensive
C.
they change their mind out of uncertainty
D.
they regret making the purchase without forethought
查看完整题目与答案
【单选题】The discovery of dinosaur fossil sites in Bolivia is eciting because of the following reasons ECEPT______.
A.
they are found in a continent other than Asia and North Continent.
B.
the largest dinosaurs in the world are found in this discovery.
C.
there are some unknown species of dinosaurs found this time.
D.
the dinosaurs were believed to be some of the last ones on earth.
查看完整题目与答案
【单选题】It can be inferred from Paragraph 2 that______.
A.
the actions of environmentalists are reasonable
B.
many studies have found the bad effects of GM crops
C.
the study has aroused fierce arguments about GM crops
D.
the French bans all GM crops
查看完整题目与答案
【单选题】To read Tolstoy and ______ to nineteenth century Russian literature are two excellent reasons for taking Professor Morrel's Course.
A.
to introduce
B.
introduce
C.
being introduced
D.
to be introduced
查看完整题目与答案
相关题目：
【判断题】[判断题]旋转机械振动的故障,都是在机械运行时才产生的,因此诊断应在机械运行中进行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The writer seems to think that critics' judgment on the role of advertising is______
A.
reasonable.
B.
unfair.
C.
superficial.
D.
foolish.
查看完整题目与答案
【判断题】旋转机械振动的故障,都是在机械运行时才产生的,因此诊断应在机械运行中进行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It is a (an) ______ truth that man is the only animal that has the power to speak and reason.
A.
worthy
B.
virtual
C.
universal
D.
indefinite
查看完整题目与答案
【单选题】Which of the following underlined parts is different in pronunciation with others?
A.
There is no reason for him to refuse me.
B.
The little girl in red is so cute.
C.
Don’t judge a person by his clothes.
D.
You can use my computer if you want.
查看完整题目与答案
【单选题】假设检验中,P与α的关系是
A.
P越大，α越大
B.
P越小，α越大
C.
二者均需事先确定
D.
二者均需通过计算确定
E.
P的大小与α无直接关系
查看完整题目与答案
【单选题】According to the author, shoppers are returning their purchases for all the following reasons EXCEPT that______.
A.
they are unsatisfied with the quality of the purchase
B.
they eventually find the purchase too expensive
C.
they change their mind out of uncertainty
D.
they regret making the purchase without forethought
查看完整题目与答案
【单选题】The discovery of dinosaur fossil sites in Bolivia is eciting because of the following reasons ECEPT______.
A.
they are found in a continent other than Asia and North Continent.
B.
the largest dinosaurs in the world are found in this discovery.
C.
there are some unknown species of dinosaurs found this time.
D.
the dinosaurs were believed to be some of the last ones on earth.
查看完整题目与答案
【单选题】It can be inferred from Paragraph 2 that______.
A.
the actions of environmentalists are reasonable
B.
many studies have found the bad effects of GM crops
C.
the study has aroused fierce arguments about GM crops
D.
the French bans all GM crops
查看完整题目与答案
【单选题】To read Tolstoy and ______ to nineteenth century Russian literature are two excellent reasons for taking Professor Morrel's Course.
A.
to introduce
B.
introduce
C.
being introduced
D.
to be introduced
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题