皮皮学，免费搜题
登录
搜题
【判断题】
压电陶瓷的压电系数比石英晶体的压电系数高得多，制造成本却较低，因此压电元件绝大多数都采用压电陶瓷。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】—What would you send to your sister as the Christmas gift? —I haven't decided yet .I _ send her a handbag. [ ]
A.
shall
B.
may
C.
must
【简答题】The Christmas gift when I was seven years old has been a pleasant memory. other gifts, it came without wrap（包装）. On September 11 th that year, Mum gave to Richard. After she brought him home from ,she...
【单选题】What did Susan's parents give her as a Christmas gift?
A.
A new car
B.
A new mobile phone
C.
A new house
【简答题】Who was once given as a Christmas gift to a poor family? ________________________.
【单选题】I____a new bicycle as the Christmas gift .
A.
thought my father to buy me
B.
wanted that my father bought me
C.
excepted my father to buy me
D.
feel like my father buying me
相关题目：