皮皮学，免费搜题
登录
搜题
【单选题】
Between 1897 and 1919 at least 29 motion pictures in which artificial beings were portrayed _______.A.
had produced
B.
have been produced
C.
would have been produced
D.
had been produced
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】下面四个词 vorn, lustig, man, gern 分别属于 ___ 词类。
A.
副词、形容词、代词、副词
B.
介词、副词、代词、副词
C.
介词、形容词、名词、副词
【单选题】It is the first time that she ________ the moral standards of the community.
A.
is going to question
B.
has questioned
C.
questions
D.
questioned
【简答题】已知直线 ⊥平面 ，直线m 平面 ，有下面四个命题： ① ∥ ⊥m；② ⊥ ∥m；③ ∥m ⊥ ；④ ⊥m ∥ 其中正确命题序号是 ．
【单选题】已知类的继承关系如下: class Employee; class Manager extends Employee; class Director extends Employee; 则下面语句能够通过编译的有哪些?
A.
Employee e =new Manager();
B.
Director d =new Manager();
C.
Director d =new Employee ();
D.
Manage m=new Director ();
【简答题】delete from employee语句的作用是( ) A.删除当前数据库中整个employee表，包括表结构 B.删除当前数据库中employee表内的所有行 C.由于没有where子句，因此不删除任何数据 D.删除当前数据库中employee表内的当前行
相关题目：