皮皮学，免费搜题
登录
搜题
【简答题】
竖直角有正、负之分,仰角为 。
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】一Did they take any photos? 一______．
A.
No，they didn't
B.
No，they did
C.
No，they aren't
D.
No，they weren't
【简答题】下列全部是应用软件的是______。 A．Windows 2000，金山词霸，学籍管理系统 B．UNIX，Word 2000，WPS Office 2003 C．MS-DOS，用友财务软件，AutoCAD D．Word 2000，Excel 2000，Visual FoxPro
【单选题】I forgot to take the key to the bike with me again.
A.
didn’t keep
B.
left
C.
didn’t remember
D.
returned
【简答题】在局域网体系结构中数据链路层分为两个子层,即()、()。
【简答题】the space or width covered with one cut of a scythe or other moving devices s
【单选题】I didn't take any group's side. I tried to keep _______.
A.
middle
B.
medium
C.
neutral
D.
medial
【简答题】In capsule hotels, each guest stays in a small sleeping space called capsule. It measures about 2 meters in length and 1 meter in both width and height. It is a type of hotel first developed in Japan ...
相关题目：