问题 选择题

银杏被称为“植物界的大熊猫”,它属于裸子植物的根本原因是(     )

A.种子外没有果皮

B.种子外没有种皮

C.果实外面没有果皮

D.种子外有果皮

答案

答案:A

题目分析:裸子植物的特点是根茎叶发达,具有发达的机械组织和输导组织,种子裸露,没有果皮包被,因此无果实.生殖过程不需要水.但是最主要的特征是银杏没有果实,食用的白果是银杏的种子,因此种子裸露在外面,没有果皮包被,因此银杏属于裸子植物,银杏树上结的“白果”是种子,而不是果实.

阅读理解

Today was not a good day. Everything went wrong. First, I slept late and Mom shouted at me to wake up. When I went to the kitchen for breakfast, there was no cereal. I decided to have some toast instead, but I burned it. I had to eat it anyway because there was no more bread. The juice bottle was empty, so I had a glass of cold water.

When I was getting on a bus, I realized that I had forgotten my wallet, so I had to go back home to get it.

Of course, I missed the bus and had to wait for the next.

I was late for school and the teacher told me to stay in the classroom at lunchtime to catch up on(弥补) the school work I had missed. After lunch, it was time to give the teacher our homework. I reached into my bag to get it, but it wasn’t there. I had left it at home. I was in trouble again.

When I got home, I went straight to my room to catch up on my homework. Mom cooked fish for dinner. She knows I don’t like fish, but she thinks it is good for her son. How terrible! I hope tomorrow will be better.

小题1:What happened to the boy on this bad day?

A.He argured with his parents.

B.He heard some bad news.

C.He burned the kitchen.

D.Many unhappy things happened to him.小题2: When did the boy’s bad day begin?

A.In the morning

B.When he was at school

C.At lunchtime.

D.when he got home小题3:He didn’t take the bus, instead, he went back home to get _________.

A.his homework

B.breakfast

C.money

D.his bag小题4:How many “terrible” things did the boy mention in this story?

A.Four

B.Five

C.Seven

D.Ten

单项选择题