皮皮学，免费搜题
登录
搜题
【单选题】
心肺复苏中胸外按压的频率为A.
90次/分
B.
100-120次/分
C.
至少120次/ 分
D.
60-80次/分
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】C语言中以下说法不正确的是:( )
A.
实参可以是常量、变量、或表达式。
B.
形参可以是常量、变量、或表达式。
C.
实参可以为任意类型。
D.
形参应与其对应的实参类型一致。
【单选题】A.She doesn’t like her job. B. She has changed her job. C.She is retired. D. She has quit her job.
A.
She doesn’t like her job.
B.
She has changed her job.
C.
She is retired.
D.
She has quit her job.
【单选题】A) She doesn’t like her job. B) She has changed her job. C) She is retired. D) She has quit her job.
A.
选择1
B.
选择2
C.
选择3
D.
选择4
【简答题】阅读理解。 We use the Internet for many things: business, shopping, writing letters, talking to people, finding information, and so on. In recent years, a new kind of English has grown on the Internet. The...
【单选题】She doesn’t see her granddaughter very often so she makes a real fuss ()her granddaughter when she does.
A.
on
B.
in
C.
over
D.
out
相关题目：