皮皮学，免费搜题
登录
搜题
【单选题】
心肌有效不较长的主要作用为A.
使心肌得到充分的休息
B.
使心肌产生“无”式收缩
C.
避免心肌发生收缩
D.
便结控制心节律
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】Jim paid back the money to Bob and went to work in another town later.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【简答题】Jim paid back the money to BOb and went to work in another town later．[A]Right．[B]Wrong．[C]Doesn’t say．
【多选题】二进制加法运算的基本规则是:
A.
逢二进一
B.
最低位是两个最低位的数相加,只求本位和,不需考虑更低位送来的进位数
C.
除最低位外,都是三个数相加,包括加数、被加数以及低位向本位的进位数
D.
任何位相加的结果都产生两个输出,一个是本位和,另一个是向高位的进位
【单选题】Musson predicted that another earthquake Would occur in southeast England sooner or later．
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Masson predicted that another earthquake would occur in southeast England sooner or later. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Some years ago the captain of a ship was very interested in medicine. He always took medicine books to sea and liked to talk about different diseases. One day a lazy sailor on his ship pretended to be...
A.
test the captain's knowledge of medicine
B.
be free from work
C.
have the best food on the ship
D.
play a joke on his friends
【单选题】Musson predicted that another earthquake would occur in southeast England sooner or later.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】补全对话 从方框中选择适当的句子完成下面的对话，并将其序号填在横线上 A: Hey, you look mad. What’s wrong? B：I．．．I just can’t stand that terrible driver. He is so．．． A： 小题1: Oh, would you like something to drink, coffee or cola? B：Neith...
相关题目：