皮皮学，免费搜题
登录
搜题
【多选题】
金属的强度是指( )。金属的塑性是指( )。金属的硬度是指( )。金属的韧性是指( )。A.
金属材料抵抗塑性变形（永久变形）或断裂的能力
B.
金属材料在断裂前发生不可逆永久变形的能力
C.
金属材料抵抗局部变形、压痕或划痕的能力
D.
金属材料抵抗冲击载荷作用而不破坏的能力
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】We'll never forget______ in New York last year.
A.
us to meet a few friends
B.
meeting a few friends
C.
a few friends to meet
D.
a few friends meeting
【简答题】指出错误并改正。 l. We'll never forget the days when we spent together in the mountain village. ______________________________________________________________ 2. Do you still remember the village where we pai...
【简答题】We'll never forget the day _______ the People's Repubilc of China was founded.
【单选题】We'll never forget ______ in New York last year.
A.
our meeting a few friends
B.
us to meet a few friends
C.
a few friends to meet
D.
a few friends meeting
【单选题】We'll never forget the man who made such a _____contribution to medical science.
A.
mere
B.
much
C.
individual
D.
unique
【单选题】某甲设置路障，被行政机关要求限期自行清除路障，甲不予理会，因为甲不履行清障的义务，致使该路障已经交通安全，于是行政机关决定让他人清除路障，甲支付清除路障的费用。行政机关的行为属于（ ）。
A.
行政处罚
B.
执行罚
C.
代履行
D.
行政征收
【单选题】September 18,1913 is the day ______we'll never forget. [ ]
A.
that
B.
when
C.
on which
D.
on that
相关题目：