长江具有支流多、河道弯曲、湖泊多等特点的河段是[ ] A．上游 B．中游 C．下

已知Rt△ABC∽Rt△A′B′C′，∠C=∠C′=90°，且AB=2A′B′，则sinA与sinA′的关系为（　　）

A．sinA=2sinA′

B．2sinA=sinA′

C．sinA=sinA′

D．不确定

下列关于地球自转方向的画法正确的是

情景：下午放学回家的路上，小明、大亮、凯丽三位同学一起穿过菜市场的马路时，突然听到一阵嘈杂声并伴随着一位老人痛苦的喊叫：“哎吆！哎吆！”原来一位老人摔倒在地上……小明：快走吧！就当没看见！说不定是碰瓷的。弄不好救了他，他的家人会说是我们把他碰倒的呢？多一事不如少一事！……大亮：小明，你今天怎么了？见义勇为，实施正义行为是我们每一个社会成员都应该做的。我们必须扶起摔倒的老人。要不我们会很内疚的！……凯丽：……根据以上情景中的对话，结合所学思想品德课知识，回答下列问题：（1）假如你是凯丽，你会怎样说服小明一起去扶起那位老人？

（2）从情景对话中，你得到了哪些启示？

阅读理解。

     Having a large waistline can almost double your risk of dying prematurely (过早地) even if your body mass

index is within the "normal" range, according to a new study, over 350,000 people across Europe published

Wednesday in the US. magazine, New England Journal of Medicine.

     The study provides strong evidence that storing excess (过量的) fat around the waist poses a significant

health risk, even in people not considered to be overweight obese (极肥胖的). It suggests that doctors should

measure a patient's waistline and their hips as well as their body mass index as part of standard health cheeks,

according to the researchers from Imperial College London, the German Institute of Human Nutrition, and other

research institutions across Europe.

     Comparing subjects with the same body mass index, the risk of premature death increased in a linear fashion

as the waist circumference increased. The risk of premature death was around double for subjects with a larger

waist (more than 120 cm for men and more then 100 cm for women) compared to subjects with a smaller waist

(less than 80cm for men and less than 65cm for women). Body mass index is commonly used to assess (评估)

if a person is of "normal" weight.

     Each 5cm increase in waist circumference increased the mortality risk by 17 percent in men and 13 percent

in women, according to the study.

     An increased risk of mortality (死亡率) may be particularly related to storing fat around the waistline because

fatty tissue in this areas secrete (分泌) cytokines (细胞因子), hormones (荷尔蒙) and metabolically (新陈代谢)

active compounds (混合物) that can contribute to the development of chronic (长期的) diseases, particularly

cardiovascular (心脏血管的) diseases and cancers, suggest the authors.

     Tobias Pischon, the lead author of the paper, said "The most important result of our study is the finding that

not just being overweight, but also the distribution of body fat affects the risk of premature death of each

individual."

1. According to a new study of over 350,000 people across Europe, a person has more risk of dying prematurely, _____.

A. if his body mass index isn't within normal range

B. if he has a large waistline

C. if his body mass index is within normal range

D. if he overweight

2. Which of the following isn't mentioned as part of standard health checks?

A. weight

B. hip

C. body mass index

D. waistline

3. Which of the following is NOT wrong? 

A. Each 5 cm increase in waist circumference increases the same mortality risk in men and women.

B. Body mass index is commonly used to assess (评估) if a person is large waistline.

C. The smaller waistline, the more mortality risk.

D. Large waistline almost doubles risk of dying prematurely.

政府投资主管部门对不同项目实行审批、核准、备案制，下列说法错误的是（）。

A．政府投资建设项目，实行审批制

B．企业投资项目，区别不同情况实行审批制或核准制

C．外商投资项目，实行核准制

D．实行核准制的项目，政府投资主管部门依法核准项目申请报告