皮皮学，免费搜题
登录
搜题
【单选题】
Which of the following is an accessory organ of digestion?A.
Stomach
B.
Colon
C.
Esophagus
D.
Pancreas
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】简述算术平均数、中位数、众数的含义及三者之间的关系。
【单选题】This tag warn s people that machine o r equipment is:
A.
not to be used unless you have worn Personal Protection Equipment
B.
damaged, unsafe or in repairs
C.
unsafe to use unless you are properly trained
D.
switched off
【简答题】简述自然地理环境的整体性。
【单选题】'It's a secret. Promise no one else would know it', he lowered his voice and whispered _____ no one could overhear it. [ ]
A.
in case
B.
even if
C.
so that
D.
just as
【单选题】棉布是最终产品,棉纱是原材料,假如某国对棉纱进口免税,而对棉布进口征收 10 %的关税,已知棉纱在棉布的价格构成中占 60 %,则该国对棉布的有效关税保护率是 ( )
A.
5 ％
B.
10 ％
C.
25 ％
D.
50 ％
相关题目：