Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Пособие.doc
Скачиваний:
68
Добавлен:
29.02.2016
Размер:
1.15 Mб
Скачать

2. Ask questions revealing the main points of the text.

3. Think of 5-7 statements that would contradict the contents of the text. Language focus

1. Match the words that are: a) similar and b) opposite in meaning:

a)

b)

to be referred to as

to get used to

benefit

slow

fleshy

to break

tight

to scare off

to evolve

to lead

entire

loose

to adapt

to be called

to shed

to keep

to speculate

plump

rapid

incomplete

to burst

to develop

to lure

disadvantage

to result in

to regard

  1. Complete the table (where possible):

Noun

Verb

Adjective

pollen

to penetrate

reproductive

dispersal

to nourish

dependent

lure

to produce

selective

to arrange

consumption

to benefit

to exude

  1. Define the following terms:

heterosporous

pollen tube

ovule

angiosperms

nectaries

pollen grains

pinoids

conifers

cone scales

  1. Match the first half of a sentence in column A with the appropriate second half in column B:

A

B

1. Although the cone is a conspicuous feature distinguishing many members of this group,

a) and oogamous, having sperm and dispersal.

2. Each sporephyll contains two sporangia

b) it does not appear on all conifers.

3. The remaining megaspore, through repeated mitotic divisions, becomes the female gametophyte,

c) in which haploid spores are produced through meiosis.

4. The sperm fertilize the egg and the resulting zygote produces

d) which, unlike that in the ferns, is considerably reduced in size.

5. But there is some speculation that angiosperms

e) that are highly evolved for protection and dispersal.

6. Flowering plants are heterosporous, having two different sized spores,

f) an embryo sporophyte.

7. Their zygotes develop into seeds and fruit

g) readily accessible sticky, sugary droplets, produced by ovules.

8. Some insects, such as certain beetles, may have become dependent on

h) may have existed as long as the Permian.

  1. Put the parts of the sentences in the right order:

  1. Micropyle, some, near, land, of, near, of, the, pollen, the, opening, grains.

  2. As, plants, flowering, also, anthophytes, the, known, are.

  3. The diploid, retaining, and, sporophyte, dominates, the, gametophyte, cycle, nourishing, the life.

  4. A, substance, the ovule, trapping, gymnosperms, of modern, grains, exudes, sticky, pollen, wind-borne.

  5. Travelling, ovule, insects, from, to, one, another, pollen, carry, them, with.