2022 Henry Park SA2 Cloze

1. The National Environment Agency (NEA) has found a unique way of fighting dengue in Singapore. About 200 million Wolbachia-Aedes (1)__________ been bred at the NEA’s “mosquito factory” since it was (2)__________ in 2019.

(a)  

2. About 200 million Wolbachia-Aedes (1)__________ been bred at the NEA’s “mosquito factory” since it was (2)__________ in 2019.

(a)  

3. These mosquitoes were then (3) (a)   in certain areas of the island.

4. This is part of the agency’s fight against dengue in the republic. (4) (a)   , it will be some time before Project Wolbachia expands to other parts of the island as time is needed to improve the method of releasing these mosquitoes on the island.

5. “The agency also needs (5) (a)   develop the relevant technology,” said senior scientist Deng Lu.

6. Mr Deng, in his weekly update to the press said that (6) (a)   1.5 to 2 million of these mosquitoes are released every week as part of Project Wolbachia.

7. This project (7)__________ releasing male Wolbachia-Aedes mosquitoes to control the overall Aedes mosquito population, which (8)__________ the primary cause of dengue being prevalent in Singapore.

(a)  

8. This project (7)__________ releasing male Wolbachia-Aedes mosquitoes to control the overall Aedes mosquito population, which (8)__________ the primary cause of dengue being prevalent in Singapore.

(a)  

9. The male Wolbachia-Aedes mosquitoes do not (9) (a)   the dangerous disease.

10. When they (10)__________ with female Aedes mosquitoes, the eggs that have been laid do not (11)__________.

(a)