零件选材时应考虑()。
Ⅰ.材料的使用性能;Ⅱ.材料的工艺性能;Ⅲ.材料的经济性。
A.Ⅰ+Ⅱ
B.Ⅱ+Ⅲ
C.Ⅰ+Ⅲ
D.Ⅰ+Ⅱ+Ⅲ
参考答案:D
阅读理解。
A Photo
Look at this photo. It is a photo of Mr Green's family. Look at the woman. That's his wife. They
have two children, Henry and Helen. Henry is a pupil. He is interested in playing football, and he is
good at playing the flute. Helen can not walk. She is too young. She is not a pupil. They are from
America.
单词快递:wife 妻子 interest 兴趣 flute 长笛 young 年轻 America 美国
1. How many children does Mr Green have?
He has _____ children.
A. two
B. three
2. What can you call Mr. Green's wife?
We can call her _____.
A. Miss Green
B. Mrs Green
3. Mr Green's daughter's name is _____.
A. Helen Green
B. Henry Green
4. Is Henry a pupil?
A. Yes, he is.
B. Yes, she is.
5. Where are they from? They
A. America
B. China
妊娠合并慢性肾炎终止妊娠的指征哪项应除外()
A.胎盘功能明显减退,出现胎儿窘迫,估计胎儿可存活
B.高血压持续加重,肾功能恶化
C.尿蛋白持续加重,肾功能恶化
D.既往有死胎、死产史,经促胎肺成熟后,应在妊娠36周以前终止妊娠
E.不宜妊娠者如果已妊娠可在12周前行人工流产