心导管检查血氧含量右心房高于上、下腔静脉的先天性心脏病是
A.房间隔缺损
B.空间隔缺损
C.动脉导管未闭
D.肺动脉狭窄
E.法洛四联症
参考答案:A
阅读理解。
1. How many Found notices (启事) are there on the bulletin board (公告牌)?
A. Six.
B. Four.
C. Five.
2. If you lost your keys, you may call ________.
A. 4872349
B. 4982456
C. 4129856
3. If you found a pencil case, it may be (可能是) _________.
A. Mike's
B. Lisa's
C. Tom's
4. Lisa found ________ according to (根据) the lost and found notices.
A. a black and white cat
B. a blue and white pencil case
C. a red backpack
5. Who found a book?
A. John.
B. Mary.
C. Mike.
在仓储作业中,拣货作业的主流程从接单作业开始,没有接单就没有拣货作业及后续其他作业流程。