Section B  Audio-visual Tasks

Task3  Spot Dictation

        Listen to a passage three times and while listening, you are to put the missing word in each numbered blank according to what you hear. 

A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a (1) ____________, or bleeding stroke. This happens when a blood vessel breaks.

Strokes can cause death or (2) ___________. Bleeding strokes are more likely to kill than ischemic strokes. But ischemic strokes are more (3) ___________—and doctors can treat them with a drug that breaks up blood clots.

If you think someone is having a stroke, you should seek help immediately. Usually the (4)___________ signs appear suddenly. These include trouble walking, weakness (5)___________ on one side of the body, difficulty seeing and difficulty speaking.Yet a recent study showed that (6) ___________ healthy middle-aged people cansuffer a stroke without immediately knowing it. 

The (7) ___________ showed that nearlyeleven percent of those with no reported stroke had suffered a silent (8)___________ infarction, or silent stroke. Silent strokes are brain injuries likely caused by a (9) ___________ that limits blood supply to the brain.

The researchers reported a link between(10) ___________ stroke and a condition called atrial fibrillation. Atrial fibrillation is the most common cause of (11) ___________ heartbeat in olderadults. Other risk factors for a silent stroke are high blood pressure, heartdisease, (12) ___________ and tobacco use.

1. hemorrhagic
   

2. disability

3. common

4. warning

5. especially

6. seemingly

7. imaging

8. cerebral

9. blockager

10. silent

11. abnormal

12. diabetes