You are also given a set of four words (A, B, C, and D) which correspond to each space.
You are required to choose the correct word for each space from the set of words given.
There are 3 ways of putting your chosen word into the correct location:
1- Type the word directly into the empty space.
2 - Type the letter which corresponds to the chosen word into the empty space.
3 - Click on the chosen word first and then click on the chosen empty space. The word will appear in the chosen empty space.
Once all the questions have been answered, click on the check button.
Correct answers will appear in green, incorrect answers in red.
Your mark will be given as a percentage.
The pass mark for this exercise is 60% or over, and you need to be able to do this exercise in the exam in about 10 minutes.
(You have been given a timer.)
I don't agree ........WITH.......him.
A) ABOUT B) OVER C) WITH D) UNDER
Silk is a natural protein fiber, some forms of which can be (1) into textiles. The protein fiber of silk is composed mainly of fibroin, and is (2) by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori, which is reared in (3) .
The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which (4) silk cloth to refract incoming light at different angles, thus producing different colours.
Silk is produced by several insects, but, over the years, only
the silk of moth caterpillars has been used
for textile (5) ,
although there has been some (6) into other types of silk.
Silk is mainly produced by the larvae of insects
undergoing (7) metamorphosis,
but some insects such as webspinners and raspy crickets
produce silk (8) their lives.
Your score is /, which represents % of correct answers.