皮皮学，免费搜题
登录
搜题
【判断题】
自动密钥密码autokey cipher属于多表代换密码体制【】A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I regretted not having finished my composition last night, I to the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【单选题】he has told us, we will be punished for not having finished the work in time.
A.
Which
B.
That
C.
As
D.
What
【单选题】Not having finished his homework, ______ to watch TV.
A.
Mother forbade him
B.
so he was forbidden
C.
and he wanted
D.
he was forbidden
【单选题】锰和镍（Ni）都是金属元素，将镍丝插入MnSO 4 溶液中无变化，插入CuSO 4 溶液中，镍丝上有红色固体析出．Mn、Ni、Cu三种金属的活动性由弱到强的顺序是（ ）
A.
Mn、Ni、Cu
B.
Ni、Cu、Mn
C.
Cu、Ni、Mn
D.
Mn、Cu、Ni
【单选题】I regretted not having finished my composition last night, I ____ go the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【简答题】交易文件的完整性得以保证是因为应用了
【单选题】Section A Choose the best translat ions for the following sentences. 1. Not having finished his homework, John was punished by his mother.
A.
没有完成作业，约翰被他妈妈惩罚了。
B.
因为没写完作业，约翰得到了妈妈的惩罚。
C.
由于没有写完作业，约翰受到了妈妈的惩罚。
D.
没写完作业，约翰受到了妈妈的惩罚。
【单选题】Not having finished his homework,_____ to watch TV.
A.
mother forbade him
B.
so he was forbidden
C.
and he wanted
D.
he was forbidden
【单选题】Not having finished their jobs, _____ to leave the company.
A.
the boss forbade them
B.
they were forbidden
C.
so they were forbidden
D.
and they preferred
相关题目：