皮皮学，免费搜题
登录
搜题
【单选题】
瀑布模型是一种典型的软件开发模型,题39图的空白框中涉及的阶段是 (2015)A.
算法设计
B.
系统设计
C.
系统设计
D.
模型设计
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】You’d have to ______ the unbearable pain while the doctors are on their way to your help.
A.
enhance
B.
endure
C.
enforce
D.
encounter
【简答题】[阅读理解] Community service is an important component of education here at our university. We encourage all students to volunteer for at least one community activity before they graduate. A new community...
【单选题】(‘)--- Don’t bother to drive me back. ---But then you’d have to walk a long way home, ____?
A.
do you
B.
hadn’t you
C.
wouldn’t you
D.
would you
相关题目：