皮皮学，免费搜题
登录
搜题
【简答题】
先化值： m m+3 - 6 m 2 +6m+9 ÷ 2 m+3 ，其中m=-2．
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】Experiments showed that ______.
A.
birds are likely to get lost if there aren't man-made stars.
B.
day-flying birds depend on the sun while night-flying birds depend on the stars
C.
birds depend on the sun to guide them
D.
birds depend on the stars to guide them
查看完整题目与答案
【简答题】A．Facilities there are very good. B．The service is excellent. C．It is comfortable to stay there. D．It is inexpensive to stay there.
查看完整题目与答案
【单选题】There are two hundred and forty stamps in the sheet, arranged in twenty rows of twelve stamps______.
A.
individually
B.
across
C.
horizontally
D.
vertically
查看完整题目与答案
【单选题】There are dozens of Chinese restaurants in Chicago, but only a few ______ from the others. [     ]
A.
stand out
B.
try out
C.
work out
D.
break out
查看完整题目与答案
【单选题】某投资项目原始投资为5000万元,当年完工并投产,项目寿命期是5年,五年内获得的现金净流量分别为900万元,1200万元,1000万元,1200万元,1400万元,那么项目的投资回收期是:
A.
4.14 年
B.
4.17 年
C.
4.50 年
D.
3.98 年
查看完整题目与答案
【单选题】文书立卷的归档制度包括三方面:归档范围、( )和归档要求。
A.
归档时限
B.
归档凭证
C.
归档模式
D.
归档历史
查看完整题目与答案
【简答题】There are a lot of choices for travel insurance plans, and pricing can vary widely. If this is your first time buying travel insurance, the following tips can help you figure out how to get the best d...
查看完整题目与答案
【单选题】There are _____ in the sky at night when the weather is fine. [     ]
A.
million stars
B.
million of stars
C.
millions of stars
D.
millions of star
查看完整题目与答案
【单选题】文书立卷的归档制度包括三方面：归档范围、()和归档要求。
A.
归档时间
B.
归档凭证
C.
归档模式
D.
归档历史
查看完整题目与答案
【单选题】What is indicated in the memo?
A.
Copax was headquartered in Madison, WI.
B.
There are new staff members.
C.
Copax will continue to provide services.
D.
Many staff e-mail addresses have changed.
查看完整题目与答案
相关题目：
【单选题】Experiments showed that ______.
A.
birds are likely to get lost if there aren't man-made stars.
B.
day-flying birds depend on the sun while night-flying birds depend on the stars
C.
birds depend on the sun to guide them
D.
birds depend on the stars to guide them
查看完整题目与答案
【简答题】A．Facilities there are very good. B．The service is excellent. C．It is comfortable to stay there. D．It is inexpensive to stay there.
查看完整题目与答案
【单选题】There are two hundred and forty stamps in the sheet, arranged in twenty rows of twelve stamps______.
A.
individually
B.
across
C.
horizontally
D.
vertically
查看完整题目与答案
【单选题】There are dozens of Chinese restaurants in Chicago, but only a few ______ from the others. [     ]
A.
stand out
B.
try out
C.
work out
D.
break out
查看完整题目与答案
【单选题】某投资项目原始投资为5000万元,当年完工并投产,项目寿命期是5年,五年内获得的现金净流量分别为900万元,1200万元,1000万元,1200万元,1400万元,那么项目的投资回收期是:
A.
4.14 年
B.
4.17 年
C.
4.50 年
D.
3.98 年
查看完整题目与答案
【单选题】文书立卷的归档制度包括三方面:归档范围、( )和归档要求。
A.
归档时限
B.
归档凭证
C.
归档模式
D.
归档历史
查看完整题目与答案
【简答题】There are a lot of choices for travel insurance plans, and pricing can vary widely. If this is your first time buying travel insurance, the following tips can help you figure out how to get the best d...
查看完整题目与答案
【单选题】There are _____ in the sky at night when the weather is fine. [     ]
A.
million stars
B.
million of stars
C.
millions of stars
D.
millions of star
查看完整题目与答案
【单选题】文书立卷的归档制度包括三方面：归档范围、()和归档要求。
A.
归档时间
B.
归档凭证
C.
归档模式
D.
归档历史
查看完整题目与答案
【单选题】What is indicated in the memo?
A.
Copax was headquartered in Madison, WI.
B.
There are new staff members.
C.
Copax will continue to provide services.
D.
Many staff e-mail addresses have changed.
查看完整题目与答案