皮皮学，免费搜题
登录
搜题
【单选题】
下面措施不能提高迷宫密封性能的是( )。A.
增大空腔内局部阻力
B.
增加密封齿数
C.
增大齿隙间隙
D.
增加齿节距
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】Fill in the blanks with the appropriate sentence. You just write the letter indicating the sentence into the blank(根据对话上下文的意思,选择正确的句子,并将句子序号填入空格内). A) Or maybe investing in something interesting. B) ...
【单选题】With the help of the teachers and classmates, the boy worked hard and finally caught up with his classmates. Now he is _______ all the others.
A.
as a good student as
B.
as a student good as
C.
as good a student as
D.
as good as a student
【单选题】“Being an honest man, Mr John worked very hard at all the courses he took in the college.” 我们已知,此句话不合逻辑,以下哪两句是正确的修改呢? A. Being an honest man, Mr John never tells a lie to his classmates. B. Being an ...
A.
AC
B.
BD
C.
AD
D.
BC
【单选题】关于生理性黄疸描述错误的是
A.
生后2-3天开始出现黄疸
B.
表现为食欲下降，哭声低弱
C.
一般7-14天自然消退
D.
早产儿可延迟3周消退
E.
血清胆红素浓度＜205.2unol/L
【单选题】关于生理性黄疸描述错误的是
A.
生后2~3d开始出现黄疸
B.
一般7~14d自然消退
C.
表现为食欲下降,哭声低弱
D.
早产儿可延迟三周消退
E.
血清胆红素浓度<205.2μmol /L
相关题目：