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One of the problems mystifying biologists is … what to become in an embryo.
Question 1:
One of the problems mystifying biologists is … what to become in an embryo.
A.
how do cells know
B.
how cells know
C.
how know cells
These questions are from this test. Would you like to take a practice test?
Practice Quiz 88 | B2 – Upper-Intermediate
30 minutes
30 questions
Do test
Some questions from the same exam
An elephant can lift … a ton.
Speaking foreign languages is the best way to learn … .
It is usually … lava but gas that kills people during volcanic eruptions.
One of the problems mystifying biologists is … what to become in an embryo.
Agronomists work to improve the quality of crops and … of the soil.
The professors have had some problems deciding … .
Ladybugs help farmers by … .
Birds all over the world … in various distances.
A partnership is an association of two or more individuals who … together.
Napoleon … many territories in 1801.
There are now … methods for studying colours than there once were.
Most insurance agents would rather … anything about collecting claims.
They were happy the train arrived on time and … .
… stereo records, two recordings are made of the same musical performance.
The colors of a rainbow … arranged in the same order.
Her reputation as a great singer rests on her ability … emotional depth to her songs.
As the earth’s crust is thicker under the continents, the equipment would have to be capable of drilling through 50,000 feet of rock to investigate the mantle … .
If one is suffering from a psychosomatic illness, one may still feel very … .
Considered exotic, … .
… can be grown on arid land.
They would rather … through the mountains than go by bus.
… people came to the party than we had expected.
Old civilizations … goods rather than use money.
The flamingo uses its bill … feeding to filter mud.
The woman read an advertisement … the newspaper about an apartment to rent.
… apples are grown in this county.
… Java Man is the first manlike animal.
Although they are smaller, chipmunks are … most ground squirrels.
In this area … fishing villages.
The private bank sent a notice to its customers which contained … .
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