多层及高层钢结构设计要求顶紧的节点，接触面不应少于70%紧贴，且边缘最大间隙不应大于

阅读理解。

     Sue and Linda usually go to school by car. They drive past (经过) a hospital, a supermarket and a

food shop. The food shop is next to the supermarket.

     Jack and Michael usually go to school by bus. They go past a bank and a post office. The bank is

next to the post office.

     Mary usually goes to work by bike. She rides a bike past a police office, a park and a swimming

pool. The park is between the police office and the swimming pool.

1. How many people are there in this passage? (短文)

A. Three.

B. Four.

C. Five.

D. six.

2. Where is the bank?

A. It's on the right.

B. It's next to a swimming pool.

C. It's next to the supermarket..

D. It's next to a post office.

3. How does Jack go to school?

A. by bike.

B. by bus.

C. by car.

D. by subway

4. Where does Sue drive past?

A . a park.

B. a swimming pool.

C. a hospital.

D. a post office.

5. Which (哪个) is NOT ture (正确)?

A. Sue go to school by car.

B. The food shop is next to the supermarket.

C. Mary rides a bike past a post office.

D. The park is between the police office and the swimming pool.

属于青少年生长发育形态测量的是( )

A．胸围
B．背肌力
C．肺活量
D．握力
E．立定跳远

什么是生啤酒

通过兴奋中枢化学感受器增强肺通气的有效刺激是

A．脑脊液H⁺浓度升高
B．脑脊液CO₂分压升高
C．脑脊液O₂分压降低
D．动脉血H⁺浓度升高
E．动脉血O₂分压降低

赵××，男，72岁，上腹痛反复发作5年，2天前出现呕血一次，解黑便3次。腹痛无明显节律，近半年来体重减轻了50 kg。既往有胃溃疡史，未正规治疗，有烟酒嗜好，无服药史及肝病史。体格检查：T 37.1℃，R 20次/分，Bp 105/70 mmHg，P 101次/分，轻度贫血貌，上腹偏左有压痛，全腹无反跳痛，辅助检查：血常规Hb 98g/L，WBC 7.2×10⁹/L，PLT 120×10⁹/L，粪常规：黑，隐血(4+)，生化正常。根据病史、体检、实验室检查，该病人的诊断、诊断步骤是什么？治疗原则是什么？