皮皮学，免费搜题
登录
搜题
【单选题】
突发事件预警信息最高级别为一级，用（ ）表示。A.
橙色
B.
红色
C.
黄色
D.
蓝色
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】______ in 1951, Shandong Polytechnic boasts its excellent education and high-quality graduates.
A.
Establish
B.
To establish
C.
Established
D.
Establishing
【简答题】用φ50冲孔模具来生产φ50落料件能否保证冲压件的精度？为什么？
【单选题】Like any large country, the USA has several ______ regions and each region boasts its own special style of food.
A.
instinct
B.
distinct
C.
distinguish
D.
district
【单选题】____ new round of competition for customers has started with discounted products in Gome and Suning, setting off____ wave of shopping rush at the end of the year．
A.
A;不填
B.
The; a
C.
A; the
D.
A; a
【单选题】Like any large country, the USA has several ______ regions and each region boasts its own special style of food.
A.
distinguish
B.
instinct
C.
distinct
D.
district
相关题目：