采暖立管穿楼板时应采取哪项措施？（）A、加套管 B、采用软接 C、保温加厚 D

阅读理解。

　　Mr. Clark was a very busy man. He always worked hard. He often forgot

his family's birthdays.

　　Yesterday afternoon, he remembered it was Mrs. Clark, his wife's birthday.

He loved his wife. He w anted to give her a present(礼物).On his way home his

hospital he bought some nice flowers in shop.

　　When Mr. Clark got home, he gave his wife the flowers and said"happy

birthday to you, dear! It's September 28th today. I remembered your birthday this

year." Mrs Clark laughed and said, "My birthday was the day before yesterday.

But thank you all the same. Better late than never!"

1.Why did Mr Clark often forget his family's birthdays ? Because _____.

A. he didn't like them          

B. he was very busy

C. they didn't tell him        

D. he didn't want to remember them

2. He bought _____for his wife's birthday this time.

A. some books    

B. a nice dress    

C. some nice flowers    

D. a lot of fruit

3. Mrs Clark _____when she got the present.

A. was happy

B. wasn't happy

C. was busy cooking

D. was at cook

4. Mr Clark was _____.

A. a teacher

B. a farmer

C. an officer worker

D. a doctor

5. Mrs Clark's birthday was on _____.

A. September 26th    

B. September 28th    

C. September 29th    

D. September20th

母乳喂养儿粪便中主要的细菌是（）

A.大肠埃希菌

B.肠链球菌

C.副大肠埃希菌

D.变形杆菌

E.乳酸杆菌

重庆一号线地铁列车地铁空调机组冷凝器的散热片上落上灰尘异物时会影响换热效率，使高压侧的压力值（）。

A.升高

B.降低

C.不变

D.不确定

不属于智力技能特点的一项是

A．动作对象的观念性
B．动作进行的内隐性
C．动作结构的简缩性
D．动作结果的意识性

张力性气胸紧急减压的并发症不包括（）？

A.肋间血管损伤

B.肋骨骨折

C.肺破裂

D.感染