皮皮学，免费搜题
登录
搜题
【单选题】
具有氨基嘧啶环和噻唑环结构的药物为( )。A.
维生素B
B.
四环素
C.
苯巴比妥
D.
金霉素
E.
土霉素
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
【简答题】幂函数 y =( m 2 - m -1) ，当 x ∈(0, +∞)时为减函数，则实数 m 的值是
【简答题】当x∈（0，+∞）时，幂函数y=（m 2 -m-1）x -5m-3 为减函数，则实数m的值为（ ）
【简答题】翻译: across from __________
【单选题】It took us quite a long time to get here. It was_________journey.A．a three－hour B．a three hour C
A.
12. It took us quite a long time to get here. It was_________journey. A．a three-hour
B.
a three hour
C.
three hour
D.
three hours
【多选题】现阶段我国农业的发展目标包括以下哪些方面？
A.
保证农产品尤其是粮食产量的稳定增长，实现农产品供求的基本平衡
B.
保证农民收人水平的不断提高，实现农民收入与农业生产的同步增长
C.
生产安全、优质农产品，满足人民对健康、生态、绿色食品的需求
D.
保证农村社会稳定，实现农村经济与社会的协调发展
【单选题】As my train wasn't due to leave for another hour, I had plenty of time to spare. After buying some newspapers to read on the journey, I made my way to the luggage office to collect the heavy suitcase ...
A.
was leaving later than scheduled
B.
was not leaving for another hour
C.
was not scheduled to leave
D.
was delayed for some reason
【简答题】将下列词或词组翻译成汉语 1. introduce 2. nationality 3. manage 4. vacation 5. obliged 6. in a minute 7. spare time 8. in sb’s position 9. across from 10. feel free to do something
【简答题】当x∈（0，+∞）时，幂函数y=（m 2 -m-1）x m 为减函数，则实数m的值为______．
【简答题】句子翻译: The office advised citizens across Hubei province to remain home and abstain from gatherings and other crowded occasions. Production in Hubei province, the heart of the coronavirus outbreak, sha...
【简答题】当x∈(0，+∞)时，幂函数y=(m 2 -m-1)x -5m-3 为减函数，求实数m的值。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
