皮皮学，免费搜题
登录
搜题
【简答题】
应用泊松公式计算下述定解问题的解utt－a2试推导二维非波动方程初值问题 试推导二维非波动方程初值问题
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】哪个命令可以用于配置Red Hat Linux 启动是自动启动 httpd服务?( )
A.
service
B.
ntsysv
C.
useradd
D.
startx
【单选题】I’m writing this letter ________ my mother, who wants to thank you for your nice gift.
A.
in order to
B.
in behalf of
C.
on behalf of
D.
in terms of
【简答题】脾肾虚寒，久泻无度，滑脱不禁脱肛宜用______，气虚下陷所致脱肛宜用______。
【单选题】Thank you very much. Your coming has ___ me the trouble of writing you a letter.
A.
spared
B.
shared
C.
saved
D.
offered
【单选题】I'm writing this letter to thank you for ___________.
A.
your help with my English
B.
your help with my study
C.
you help with my English
相关题目：