影响创伤愈合最常见的局部因素是
A.伤口感染B.异物存留的伤口C.局部制动不足D.包扎或缝合不紧
参考答案:A
阅读短文,判断正(√)误(×)。
Hi, I'm Li Ming. I am going to have a busy weekend! On Saturday, my father is going to buy some
newspapers. My mother is going to go shopping. I'm going to visit my friend, Mike. On Sunday, my father
is going to read a magazine. My mother is going to watch TV. I'm going to the bookstore. I'm going to buy
some comic books. After that we are going to the cinema.
( ) 1. Li Ming's father is going to buy a dictionary on Saturday.
( ) 2. His mother is going to go shopping on Saturday.
( ) 3. Li Ming is going to visit his friend on Sunday.
( ) 4. His mother is going to watch TV on Sunday.
( ) 5. Li Ming is going to buy some comic books on Sunday.
卷筒绳槽磨损和跳槽会出现哪些后果:().
A.损坏滑轮
B.卷筒强度削弱
C.容易断裂
D.钢丝绳缠绕混乱