皮皮学，免费搜题
登录
搜题
【多选题】
斜二等轴测图轴向伸缩系数（______），轴间角（______）。A.
p=q=1，r=0.5 ， 夹角 90°和135 °
B.
p= r =1， q =0.5 ， 夹角 90°和135 °
C.
q= r =1， p =0.5 ， 夹角 90°和135 °
D.
p=q=r=1 ， 夹角 90°和135 °
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】How often does the group rehearse?
A.
Once a week.
B.
Twice a week.
C.
Three times a week.
D.
Three times a month.
【单选题】—How often does the boy go to see his granny? —_______. [ ]
A.
Twice a month
B.
Two times a month
C.
Three time a month
D.
One time a week
【单选题】According to the author, what Franck Ketchouang wrote was______.
A.
silly
B.
simple
C.
remarkable
D.
disputable
【单选题】As mainstream chip production technology shifts from one generation to the next every three to five years, plants with new technology can make more powerful chips at lower costs,______plants with outd...
A.
because
B.
even though
C.
while
D.
since
【简答题】A．It is often displayed outdoors. B．It does not always represent an object. C．It is three-dimensional. D．It is done by relatively few artists.
【单选题】The tragedy of five construction workers is cited to prove that
A.
the bridge is a remarkable feat in itself.
B.
the bridge has seen many tragedies.
C.
challenges to build the bridge were tremendous.
D.
the authority employed unqualified workers.
【单选题】Tension within a family is often relieved or eliminated when the family as a whole is threatened by______ force.
A.
internal
B.
external
C.
intensive
D.
extensive
相关题目：