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III. Listen to the following passage and fill in the missing information into the text below

For reasons not well understood, cancer rates vary by gender, ______, and geographic region. For instance, more ______ have cancer than ______, and African Americans are more likely to develop cancer than persons of any other racial and ______ group in North America. Cancer rates also vary globally — residents of the United States, for example, are nearly ______ more likely to develop cancer than are residents of ______. The highest death rate from all cancers in males is ______ per 100,000 men in Hungary while the lowest death rate of ______ men per 100,000 is found in Mauritius, an island off the coast of eastern Africa. For women the highest cancer rate is ______ per 100,000 women in ______ compared to only 63 per 100,000 women in ______. The figures for the United States are ______ per 100,000 ______ and ______ per 100,000 ______. For particular cancers, the difference between countries may be as high as ______. Differences also occur within populations.

Scientists called epidemiologists study particular populations to identify why cancer rates vary. One method they use is to compare ______ and characteristics such as the ______, age, ______, or race of cancer patients to those of healthy people. Population studies provide useful information about ______ that increase the ______ of developing cancer.

WRITING AND SPEAKING

Write a summary of the text “Cell Division” in 200 words using the vocabulary of Lesson 4. Get ready to present it in class

Unit 2 Focus Words and Phrases

accomplish, v (1)

achieve, v (2)

arise, v (2)

attach, v (4)

attribute, n (4)

backbone, n (1)

budding, n (3)

coherent, adj (3)

coil, v (4)

coin, v (1)

combine, v (1)

compartment, n (3)

compound, n (1)

conclude, v (4)

condense, v (4)

consecutive, adj (4)

consist of (1)

constitute, v (1)

contain, v (1)

contorted, adj (3)

contraction, n (1)

convert, v (2)

degrade, v (3)

delimit, v (3)

diet, n (1)

digest, v (3)

disperse, v (4)

distinct, adj (2)

distinctive, adj (2)

distinguish, v (1)

enclose, v (2)

enormous, adj (1)

entire, adj (2)

ether, n (1)

exhibit, v (2)

extend, v (2)

fibre, n (1)

fine, adj (4)

framework, n (3)

furrow, n (4)

fuse, v (3)

fusion, n (2)

globule, n (1)

helical, adj (1)

helix, n (3)

hollow, adj (4)

minute, adj (2)

nutrient, n (3)

obtain, v (2)

impart, v (3)

include, v (1)

induce, v (2)

intact, adj (2)

interfere, v (2)

intricate, adj (4)

maturation, n (3)

particular, adj (1)

partition, n (4)

permease, n (3)

plane, n (4)

pole, n (4)

precise, adj (2)

predominant, adj (1)

preexisting, adj (2)

projection, n (2)

radiate, v (4)

raise, v (2)

random, adj (4)

recognize, v (1)

regard, v (2)

regenerate, v (2)

reinforce, v (3)

remainder, n (2)

rigidity, n (3)

rise, v (2)

segregate, v (3)

sequence, n (1)

sequester, n (3)

site, n (3)

skip, v (4)

solvent, n (1)

split, v (4)

store, v (3)

strand, n (1)

successive, adj (2)

trigger, v (1)

tug, n (4)

vesicle, n (3)

vital, adj (4)

volume, n (2)

wrap, v (4)

yield, v (1)

as well as (3)

be composed of (1)

be involved in something (3)

be responsible for (3)

both…and… (1)

depend (up)on (2)

due to (4)

fade away (4)

in order to (do something) (2)

in spite of something (= despite sth) (2)

instead of (4)

interfere with (2)

make it possible (for someone/something) to do something (4)

make up (1)

play a role (in) (1)

range from…to… (1)

referred to as… (4)

result in (3)

rich in (1)

Revision and Additional Practice 2