哪项不是化脓性感染的特点（）A．以化脓为主要病变 B．局产皮肤红热不明显 C．全身防

阅读理解。

     Ben's grandpa would retire after working for thirty-five years. Ben's parents were going to have a surprise

party for him.

     Ben loved his granda and wanted to do something special for him. He remembered his grandpa's business

card. He knew that his grandpa would no longer have the position (职位) on that card, so he decided to make

a new one for him.

     When the big day came, Ben was ready. But he didn't want to put his gift together with others'. He carried

it with him the whole evening.

     When all the other people left, he took his grandpa's hand, brought him over to a chair, let him sit down

and gave the gift.

     His grandpa smiled, "Well, it must be a beautiful gift. May I open it now?" "Sure!" Ben said excitedly.

     As Grandpa opened the gift, tears came into his eyes. Ben gave him new greatest gift! It was a business

card with his new positon: FULL-TIME GRANDPA! Ben said, "Now your full-time job is my grandpa!"

1. What does the underlined word "retire" mean in Chinese? [ ]

A. 探亲

B. 出国

C. 升职

D. 退休

2. Who would Ben's parents have a party for? [ ]

A. Ben's grandma.

B. Ben's grandpa.

C. Ben.

D. Ben's brother.

3. What did Ben decide to do for his grandpa? [ ]

A. To make a new business card for him.

B. To draw a picture for him.

C. To sing a song for him.

D. To buy a beautiful gift for him.

4. When was the party held? [ ]

A. In the morning.

B. After lunch.

C. In the evening.

D. At midnight.

5. Which of the following is TRUE according to the passage?[ ]

A. Ben was the first one to give his prandpa the gift.

B. Ben gave his gift to his grandpa with his parents.

C. Grandpa was moved by Ben's special gift.

D. Grandpa has worked for thirty-six years.

俗话说“一个和尚挑水喝，两个和尚抬水喝，三个和尚没水喝”，但图中的三个和尚却有了水喝。这启示我们       （  ）

①一个人做事容易成功，人多了反而不可能成功

②如果一个集体缺乏团结和合作，将会影响到每个人的利益

③合作可以互惠互利，共享成果

④一个人也许能够单独完成任务，但如果合作，将会更好地完成任务

A．①②

B．①②④

C．②③④

D．①②③

If you want to make a banana smoothie, you should _______ the blender.  [ ]

A. open 

B. close

C. turn on 

D. turn off 

下述与胎盘早剥的发生无关的是

A．血管病变

B．撞击或外伤

C．宫缩过强

D．子宫内压突然降低

E．子宫的静脉压突然升高

对于天然气中“干气”的划分标准，下面正确的是（）

A.戊烷以上烃类组分含量高于100g/m3

B.天然气中甲烷含量达80％～90％

C.气田气

D.天然气中戊烷以上烃类组分含量低于100g/m3