Re-order sentences
ANSWERS
A Psychological Hint
1：Experts claimed that the students assigned to this class were the most excellent.
2: So teachers thought highly of them and tried the best to cultivate them.
3: But, in fact, the students were assigned to this class in a random way.
4: Any way, the students reached their achievements finally.
B. Reading Ability
1: The project B… is to help British students who lack self confidence improve their abilities of reading and bibliography.
2: Reading ability is very important for them.
3: The knowledge which is not taught in school will …
4: In West London, the frequency of training for four children by the staff …
C. Mass of Tree
1.To measure the tree mass, you have to know the height of the tree.
2.But the height is difficult to measure because you do not know where the highest point of the tree is.
3.Another difficulty is that you should have mass of trees of the same kind and from the same area as a reference.
4.Trees of the same kind are similar but is easily influenced by environment.
5.’cut down’ is mentioned.
D. Coral Reefs
1.Coral reefs support more marine life than any other ocean ecosystem and are, not surprisingly, a favorite pursuit for many divers.
2.But as well as being physically and biologically spectacular, coral reefs also sustain the livelihoods of over half a billion people.
3.What is more, this number is expected to double in coming decades while the area of high-quality reef is expected to halve.
4.In combination with the very real threat of climate change, which could lead to increased seawater temperatures and ocean acidification, we start to arrive at some quite frightening scenarios.
E. Crab
1.The last time you splurged on a live lobster for dinner, you might not have given any thought to how much the little guy was going to suffer as he boiled to death.
2.Until recently many researchers believed the crustacean nervous system too primitive to process pain.
3.Scientists at Queen’s University in Belfast now think that crustaceans may be more sensitive to pain than previously thought.
4.And they found that crabs that experienced an electric shock when they hid under a safe, dark rock would eventually learn to avoid the hiding place.
F. Darwin
1.Charles Darwin was born on 12 February 1809 into a rich and powerful family.
2.His paternal grandfather was Erasmus Darwin, a famous scientist who came up with his own theory of evolution, while his maternal grandfather was Josah Wedgwood, of pottery fame.
3.Despite this, for the first decades of his life Darwin failed to distinguish himself, first dropping out of medical studies in Edinburgh because he hated the sight of blood, and subsequently entering Cambridge to study for the profession of clergyman very much as second option.
4.Yet Darwin was gaining great skill as an amateur naturalist and it was this that allow him to seize the opportunity presented when he was offered an unpaid position as scientist on board the Beacle, a naval surveying ship bound for the farthest corners of the globe.
5.The fiveyear voyage was the making of Darwin, providing him with the wealth of observations of the natural world that established him as one of the foremost scientists of his age and provided the raw material for his revolutionary theory.
G. Meerkats
1.Meerkats, a small group living mongooses in southern Africa, have been so extensively studied and filmed that we can follow individuals through their lives like characters in an animal soap opera.
2.The Kalahari Desert meerkats, Suricata Suricatta, have been followed over generations.
3.They are so habituated to humans that they will climb on and off weighing scales when a scientist wants to weigh an animal.
4.It is remarkable that behavior, which at one time could only be observed by dedicated field workers, is now readily available for all of us to see.
H. Leaf Structure
1.The natural structure found within leaves could improve the performance of everything from rechargeable batteries to high-performance gas sensors, according to an international team of scientists.
2.The researchers have designed a porous material that utilises a vascular structure, such as that found in the veins of a leaf, and could make energy transfers more efficient.
3.The material could improve the performance of rechargeable batteries, optimising the charge and discharge process and relieving stresses within the battery electrodes, which, at the moment, limit their life span.
4.The same material could be used for high performance gas sensing or for catalysis to break down organic pollutants in water.
I. Takeaway Meals
1.Over time, fashion and people’s tastes change.
2.Such changes affect the demand for products and services.
3.Changes in work patterns tend to mean that fewer families sit down in the evening for a traditionally produced family meal, often because a lack of time.
4.Consequently, people are now more likely to buy takeaway meals or convenience food, as opposed to ingredients for meals that take time to prepare.
5.In contrast, people now tend to spend more time shopping and are therefore more likely to spend time relaxing in a coffee shop or restaurant while on a shopping trip.