皮皮学，免费搜题
登录
搜题
【单选题】
While attempting to look into the case, ______.A.
he found it was difficult
B.
the case was difficult
C.
it happened that the case is difficult
D.
difficult as the case
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
【简答题】调质处理就是______的复合热处理工艺。工件淬火及高温回火的复合热处理工艺，称为______。
【单选题】The boss ________ with my work.
A.
was satisfying
B.
was satisfied
C.
satisfied
D.
satisfactory
【单选题】当土为超固结状态时,其先期固结压力 p0 与目前土的上覆压力 γh 之间的关系是( )。
A.
p0 < γh
B.
p0 > γh
C.
p0 = γh
D.
p0 = 0