皮皮学，免费搜题
登录
搜题
【单选题】
航空运价中的“N”表示标准普通货物运价,是指( )千克以下的普通货物运价A.
45
B.
50
C.
100
D.
55
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】— Who is the man over there? Is it Mr. Li? — No, it _____ be him. Mr. Li is much taller. [ ]
A.
mustn't
B.
may not
C.
can't
D.
needn't
【多选题】关于上皮组织特点的描述,正确的是
A.
细胞排列密集,细胞外基质少
B.
覆盖于体表或衬于有腔器官的腔面
C.
上皮细胞可陷入结缔组织分化为腺
D.
上皮有极性,可分为游离面和基底面
E.
上皮组织内都有血管和神经分布
【简答题】阅读理解。 This is a picture of Mr. Li's family. The man in the middle is Mr. Li. The woman is Mr. Li's wife. They have two sons. The child behind Mr. Li is Li Lei. He's thir. The other in front of Mrs...
【单选题】—Who is the man over there? Is it Mr. Li? —No, it _______ be him, Mr. Li has left for Hong Kong. [ ]
A.
mustn't
B.
may not
C.
needn't
D.
can't
【单选题】—Look! The lights in the teachers' office are still on. Is Mr. Li working? —No. It _______ be Mr. Li. I saw him leave just now. [ ]
A.
may not
B.
mustn't
C.
can't
D.
needn't
【简答题】This is s picture of Mr. Li’s family. The man in the middle is Mr. Li. The woman is Mrs. Li. They have two sons. The child behind Mr. Li is Li Lei. He’s thir. The other in front of Mrs. Li is Li M...
相关题目：