I. Answer the following question: What do you know about malaria and its treatment?

II. In the following sentences replace the italicized words and collocations with their synonyms given below.

be stricken with, goal, hasten, spread, to seek, alter, decipher, is diseased by

1. …they’ve decoded the genetic blueprint of the malaria parasite and the mosquito that passes the disease from one person to another.

2. An estimated 10 percent of the world's population is taken ill of malaria each year.

3. Researchers say the breakthrough should speed up the development of a malaria vaccine.

4. …between 300-mln and 900-mln people will suffer from malaria next year,

5. We can look at how we might genetically change mosquitos so they might not admit the parasite

5. But knowing the P. falciparum's genome might give researchers new targets to pursue in terms of developing a long-sought anti-malaria vaccine.

III. Translate the following sentences into Russian, paying attention to different functions of the Infinitive.

1. Because the drugs to treat malaria and methods to keep the disease from spreading do not work very well…

2. It took…less than one year of intensive work to achieve their goal.

3. Dr. Hunter says it might become possible to determine which children are likely to become infected with malaria and to vaccinate them.

After listening tasks

I. Listen to the interview and check your answers to task II in the Pre-listening section.

II. Listen again and choose the right continuations to the following sentences.

1. Malaria is spread

a) through the bite of a parasite known as Plasmodium falciparum

b) through the bite of a mosquito called Plasmodium falciparum

c) through the bite of a mosquito called anopheles gambiae

2. Dr.Hoffman says that the drug which isn’t used any more because of drug resistance is

a) quinine

b) chloroquine

c) artemisinin

3. Insecticides impregnated bed nets are becoming ineffective because

a) they only reduce contacts with infected mosquitos

b) they were introduced 400 years ago

c) because mosquitos are developing resistance to the insecticides used in them

4. Based on the understanding of human genetics it might become possible

a) to develop an anti-malaria vaccine

b) to develop an anti-malaria drug

c) to vaccinate children who are most likely to catch malaria

5. European researchers discovered an enzyme

a) found in humans

b) found in the parasites but not in humans

c) found in plants and bacteria

III. Listen again and check your answers. Make a summary of the interview.

Unit 21 California's majestic redwoods and their unique ecosystem

Pre-listening tasks

Before listening pay attention to the following words and collocations and their translation. They will help you to understand the text.

ramrod straight – прямо как шомпол

to obscure – затемнять, затенять, скрывать

hush – тишина; молчание

unique – уникальный

magnificent – великолепный, величественный

inspire – вдохновлять

to rely on – полагаться на

moisture – влага

adjacent – соседний, смежный

bark – кора

russet – красновато-коричневый

blaze – пламя

grove – лесок, роща

trunk – ствол

tissue – ткань

pileated woodpecker – хохлатый дятел

marbled murrelet – длинноклювый пыжик

web-footed – с перепончатыми задними конечностями

stealth jet – самолет-невидимка

I. Match the words and collocations in the left column with their synonyms in the right column

magnificent	break down
obscure	compulsory
drip	conceal
decompose	copse
occur	fire
blaze	happen
grove	leak
trunk	majestic
all of a sudden	stock
mandatory	unexpectedly

After listening tasks