皮皮学，免费搜题
登录
搜题
【单选题】
急性化脓性阑尾炎主要病理改变是A.
炎症局限于粘膜下层
B.
炎症局限于粘膜层
C.
炎症局限于浆膜层
D.
腹内有脓性液体
E.
阑尾腔内有积脓
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】Safety check is unnecessary when you work in:
A.
office
B.
restaurant
C.
a familiar place
D.
None of the above
【单选题】A check line is ______．
A.
A safety line attached to a man working over the side
B.
Used to measure water depth
C.
Used to slow the headway of a barge
D.
Used to measure the overhead height of a bridge
【单选题】Which of the following is beneficial to the hitchhiker's safety?
A.
Check out the driver's I. D.
B.
Make sure there is extra space in the car.
C.
Only hitch with the long-distance transportation cars.
D.
Use common sense and intelligence to judge the situation.
【单选题】Safety check is necessary when you work in:
A.
an office
B.
a restaurant
C.
a workshop
D.
All of the above
【多选题】What will be most frequently mentioned during safety check announcement?
A.
seat back
B.
tray table
C.
window shade
D.
seat belt
【单选题】Cabin crew check the safety belts ______.
A.
at takeoff, mid-flight and landing
B.
only at takeoff and landing
C.
more at takeoff
D.
more at landing
【单选题】N부터 N까지 表示从什么什么到什么什么 比如 从开始要结束시작부터 끝까지 那么 从灿烈开始到世勋,我都喜欢。 下面正确的是:
A.
찬열 부터 세훈 까지 다 사랑 합니다.
B.
찬열부터 세훈까지 다 사랑합니다.
C.
찬열부터세훈까지다사랑합니다.
D.
찬열부터 세훈까지다 사랑합니다.
相关题目：