Ielts Mocktest 2023 Dec

• a dazzling display of oriental dance


  ​impressing somebody very much
• Their skull acts as a fulcrum and their vertebrae act as levers.


  điểm tựa, phần quan trọng
• Their skull acts as a fulcrum and their vertebrae act as levers.


  đốt sống
• The tail fin, in its final lash may contribute as much as 40 per cent of the forward thrust(n)


  a sudden, strong movement that pushes something/somebody forward
• webbed(a)


  animals have pieces of skin between the toes

  
• flipper(n)


  enlarge imagea flat body part like an arm without fingers

  
• they are simply tired or over-worked or they may just have a hangover(n)


  ​the headache and sick feeling that you have the day after drinking too much alcohol
• Things do not improve but you struggle on thinking you should pull yourself together(phrsal verb)


  to take control of your feelings and behave in a calm way
•  things will ease off(phrasal verb) at work soon


  to become less strong, unpleasant, etc
• Ongoing research into other synthetic(a) materials


  artificial, man-made
• a spider spins(v) the web


  giăng tơ, dệt
• a bulletproof(a) vest


  that can stop bullets from passing through it
• The drag-line silk, which forms the radial(a) arms of the web


  having a pattern of lines, etc. that go out from a central point towards the edge of a circle

  
• Wallace Carothers and his team ushered in(phrase) the age of polymers.


  to be the beginning of something new or to make something new begin
•  researchers have used both yeast(n) and bacteria as hosts to grow the raw material, which they have spun into fibres


  ​a fungus used in making beer and wine, or to make bread rise, men
• A globule(n) of sweat formed on his forehead


  ​a very small drop or ball of a liquid or of a solid that has been melted
• the gene system can be designed so that the material excrete(s)(v) the protein outside the yeast


  bài tiết
• they envisage(v) many possible uses for a new biosilk material


  ​to imagine what will happen in the future
• It is tedious(a) and expensive to extract the protein from the mussel


  boring
• mussel(n)


  con trai
• The muscles on each side of the spine contract in a series from head to tail and down each side alternately(adv)


  they follow each other in a regular way, one after the other