题目内容

完形填空。

We often see boxers(拳击手) skipping on TV. Is skipping very important for them? Skipping is a tiring exercise. It's also a great sport for our _______ You can jump alone or with your classmates. You can also turn a _______ rope for others to jump over, one at a time. _______ you jump alone, you still need a right rope and it should be just long enough for your _______. Try ropes of _______ lengths until you find a right one for our height.

How do you turn a rope? It should be slowly. After all, we are not boxers. It must also be turned _______ enough. Turning the rope freely and safely _______ careful timing. In rope jumping, timing means turning the rope slowly enough for you to jump over at the right time _______ striking your feet.

While skipping, your heart beats _______ and your face has a healthy color. But if you skip too many times at first, you will get _______. You must learn when to stop for a rest before you jump again. If you are practicing, you can increase the number of times you skip without resting.

1.A.police B.officers C.children D.teachers

2.A.strong B.colorful C.short D.long

3.A.But B.If C.Though D.Because

4.A.partner B.school C.game D.height

5.A.same B.different C.difficult D.long

6.A.far B.near C.high D.short

7.A.hates B.needs C.protects D.offers

8.A.with B.without C.for D.on

9.A.faster B.slower C.worse D.better

10.A.excited B.sleepy C.hungry D.tired

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You can't play, walk, skate or ride a bike on the railroad(铁路). There are many places where the railroad tracks cross roads or streets. Many of these railroad crossings are marked(标注) with one of the signs in the table(表) below.

1.

This sign means you are coming to a railroad crossing. Always look both sides and listen carefully to be sure a train is not coming from either direction before crossing the tracks.

2.

Many railroad crossings have a gate with flashing lights that close when a train is coming.

● NEVER go around a closed railroad gate.

● NEVER try to get across the tracks before the train gets there.

3.

Some crossings which don't have gates may have this sign. When the lights are flashing, a train is coming. You should wait until the train has passed before trying to cross the tracks.

Be careful when crossing railroad tracks:

● Railroad tracks are uneven(凹凸不平的). You should not bicycle, skate or run when crossing tracks.

● Trains are very large and heavy, and take a long time to stop.

● Sometimes when a train has just passed from one direction, another train may be coming from the opposite direction. You might not notice the second train because of the noise from the first train.

1.The underlined word "tracks" means in Chinese.

A.轨道 B.足迹

C.标志 D.小路

2.When you see Sign One, you should .

A.not pass the railroad crossing

B.stop to wait for a car to pass

C.make sure no train is coming before you cross

D.pass the railroad crossing immediately

3.Where can you see Sign Three on the railroad?

A.On the railroad tracks.

B.At the train stations.

C.At crossings that have gates.

D.At crossings that have no gates.

4.What can we learn from the passage?

A.We can see many railroad signs in our cities.

B.There are many gates on the railway tracks.

C.It takes a short time for a train to stop.

D.It's dangerous to play, run or bicycle on the railroad.

5.What's the best title for the passage?

A.How to Cross the Railroad Tracks Safely

B.Pay Attention to Some Train Signs

C.Don't Play on the Railroad Tracks

D.How to Protect the Railroad Tracks

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