Activity of text interpretation, aimed at students in the fifth year of elementary school, about repellent. Let's understand how it works? So read with the text! Then answer the various interpretative questions proposed!
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SCHOOL: DATE:
PROF: CLASS:
NAME:
Read:
They're responsible for that itchy leg, arm, face... But they seem to have some preference for buzzing next to your ear just as sleep is coming. Yes, it's mosquitoes! Or mosquitoes or spider crabs or… Anyway! It is against the insects that bite and suck our blood that repellents act. But how do they work?
It's simple: mosquitoes are attracted by the smell. They detect carbon dioxide eliminated by breathing, in addition to other compounds present in human skin from sweat. Repellent solutions – when applied to our skin – create an intense, unpleasant odor for the insect, keeping it from getting close.
And do you know why it's important to protect yourself from bites? Because, at the moment it bites, the insect injects some of its saliva into the victim's skin and the proteins in the saliva can provoke an intense allergic reaction. What's more, if the mosquito is infected with a virus or parasite, its saliva can also transmit diseases such as dengue, malaria, yellow fever, filariasis, among others that affect millions of people around the world annually.
But don't think that the bite is the work of any mosquito. In most species, only females feed on blood, and for one vital reason: they need it to ripen their eggs. Males, in general, feed on the sap of plants. So if you get stung – woe! –, know that the chances that the author is a “mosque” are extremely high. To avoid being the target, ask your doctor to recommend a repellent. He will be able to suggest reliable brands, tested by the industries. If you choose a homemade repellent recipe, remember that there are few studies on them and also inform the doctor, as he will be able to assess whether the mixture made at home will not harm your skin.
Joab Trajano Silva. “Ciência Hoje das Crianças” magazine. Edition 230.
Available in: .
Question 1 – In “But how do they work?”, the text refers to:
( ) to mosquitoes.
( ) to repellents.
( ) to mosquitoes.
Question 2 – Watch:
“[…] insect injects some of its saliva into the victim's skin and saliva proteins can provoke an intense allergic reaction.”
The highlighted word indicates:
( ) facts that add up.
( ) alternating facts.
( ) contrasting facts.
Question 3 – In the segment “[…] your saliva can also transmit diseases such as dengue, malaria, yellow fever […]”, the term “how”:
( ) points to causes.
( ) introduces examples.
( ) establishes a comparison.
Question 4 – The author explains how repellents work:
( ) in the 1st paragraph.
( ) in the 2nd paragraph.
( ) in the 3rd paragraph.
Question 5 - In the fragment “[…] among others that affect millions of people around the world annually.”, the verb could be replaced by:
( ) “take”.
( ) “reach”.
( ) “support”.
Question 6 – According to the author of the text, “In most species, only females feed on blood […]”. Why?
Question 7 – In the passage “To avoid being the target, ask your doctor to recommend a repellent.”, the author of the text:
( ) orders.
( ) suggests.
( ) guides.
By Denyse Lage Fonseca
Graduated in Languages and specialist in distance education.
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