皮皮学，免费搜题
登录
搜题
【判断题】
集中采购具有针对性强的特点。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
【简答题】主从型 JK 触发器的特征方程 Q n+1 = ; 主从型 JK 触发器的功能有 、 、 和 四种。
【单选题】_________is also called "low tea" as it is served at a low table.
A.
morning tea
B.
lunch tea
C.
afternoon tea
D.
late tea
【单选题】Plastic bags are provided for our convenience but they have also ___ the pollution of the environment. [ ]
A.
adapted to
B.
turned to
C.
contributed to
D.
looked forward to
【单选题】. ________ being very convenient to shoppers, plastic bags also cause serious white pollution.
A.
Because
B.
Since
C.
While
D.
If
【单选题】Plastic bags are provided for our convenience but they have also_______ the pollution of the environment．
A.
adapted to
B.
turned to
C.
contributed to
D.
looked forwarded to
【简答题】JK 触发器的功能有置 0 、置 1 、 、 。
【简答题】主从 JK 触发器的功能有 、 、 、
相关题目：