早期胃癌的定义是()A．癌浸润粘膜层，不论淋巴结转移与否 B．癌浸润粘膜层或粘膜下层

阅读理解.

      Two old men, Bob and Alf, were waiting in line outside the stadium (体育场).They were waiting to get into watching a football game. 

      They were both poor and could not buy tickets for seats in the best part of thestadium. They were

standing in line to get into the cheapest section (部分).

      They both liked football. Every week they watched the game.

      Today when they got to the gate of the stadium, a man was checking the tickets.Bob showed his ticket and went in.

      Alf started looking for his ticket, first in his trousers pockets, then in his jacketpockets and his shirt

pockets.

      The man became angry.

      "What's that in your mouth?" he asked.

      "Oh, it's my ticket. I knew I had it somewhere. " 

      He took the ticket out of his mouth and showed it to the man at the gate.

      "OK...OK..." the man at the gate said. "You can go in. "

      When Alf went inside the stadium, Bob said, "That's not the place to keep yourticket. "

      "Yes, but when I took the old ticket out of my mouth, the date came off (脱落) too!"

根据短文内容,判断下列句子的正(T)误(F)。

( )1. Alf was poor and Bob was rich.

( )2. Both of them liked football games.

( )3. Alf really didn't know where he put his ticket.

( )4. Bob bought a ticket.

( )5. Alf didn't buy the ticket, he had an old one.

字、词、句交朋友。

例：故    故事    妈妈给我讲了一个有趣的故事。

1．伸 ______    ____________________________

2．礼  ______    ____________________________ 

3．号  ______    ____________________________

4．景 ______    ____________________________

简述苦肉计

用松香焊剂纤焊时，应避免（），因为温度超过（）后会丧失熔解（）的特性。

电力线路安全工作的组织措施：1）（）勘察制度；2）工作票制度；3）工作许可制度；4）工作监护制度；5）工作间断制度；6）工作终结和（）制度。