皮皮学，免费搜题
登录
搜题
【判断题】
END表示指令执行到此结束。()A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Is that _______ old chair _______ a new one? [ ]
A.
an; and
B.
a; or
C.
an; or
D.
the; and
【简答题】A man was traveling abroad in a small red car. One day he left the car and went shopping. When he back, its roof was badly damaged. Some boys told him that an elephant had damaged it. The owner of the...
【单选题】豌豆是严格的自花授粉植物,要对其进行人工杂交实验,通常进行的操作流程是
A.
套袋-去雄-授粉-套袋
B.
去雄-套袋-授粉-挂标签
C.
套袋-去雄-授粉-套袋-挂标签
D.
去雄-套袋-授粉-套袋-挂标签
【简答题】A stroll to school in the morning can help kids prepare for the stresses that await them in the classroom. They’ll have less 1 increases in heart rate and blood pressure when they’re put on the spot. ...
【多选题】过敏性休克首选肾上腺素,主要与其下量增加下述作用有关
A.
兴奋心脏受体,使心输出量增加
B.
兴奋支气管β受体,使支气管平滑肌松弛
C.
兴奋眼辐α受体,使外周血管收缩,血压升高,使支气管粘膜血管收缩,降低毛细血管通透性
D.
利于消除支气管粘膜水肿。减少支气管分泌
E.
抑制肥大细胞释放过敏性物质
相关题目：
参考解析：
知识点：
题目纠错 0
发布
