皮皮学，免费搜题
登录
搜题
【判断题】
细菌个体极其微小，一般用nm衡量其大小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】MCS-51单片机共有40个引脚,其中四个专用的控制信号引脚是:(____)、(____ )、(____ )、(____)。
【判断题】When oligopolists collude and form a cartel, the outcome in the market is similar to that generated by a perfectly competitive market.
A.
正确
B.
错误
【单选题】Helen ______ with the help of her teacher Anne Sullivan.
A.
manage reading
B.
manage to read
C.
manages to read
D.
managed to read
【单选题】When oligopolists join together in a cartel, they:
A.
choose to ignore their mutual interdependence.
B.
indicate awareness that their behavior is interdependent.
C.
violate the law of supply and demand.
D.
attempt to behave like perfect competitors.