托福听力Unit 7[突破英语等级考试].ppt

TOEFL听力
生命科学
长演讲学科内容类(三)生命科学类
高频考试话题:
Zoology 15%
Botany 10%
Ecology 6%
Physiology 4%
Zoology
Zoology is the branch of biology that focuses on the structure, function, behavior, and evolution of animals.
Anatomy
Palaeontology
Animal physiology
Ethology – animal behavior
Animal species
Invertebrate:
Insect
Mollusk
Crustacean
Coral
Vertebrate:
Fish
Amphibian
Reptile
Bird
Mammal
ans
Circulatory system: pumping and channeling blood to and from the body and lungs with heart, blood and blood vessels.
Digestive system: digestion and processing food with salivary glands, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum and anus.
Endocrine system: communication within the body using hormones made by endocrine glands such as the hypothalamus, pituitary or pituitary gland, pineal body or pineal gland, thyroid, parathyroids and adrenals, ., adrenal glands.
Excretory system: kidneys, ureters, bladder and urethra involved in fluid balance, electrolyte balance and excretion of urine.
Integumentary system: skin, hair and nails.
ans
Lymphatic system: structures involved in the transfer of lymph between tissues and the blood stream, the lymph and the nodes and vessels that transport it including the Immune system: defending against disease-causing agents with leukocytes, tonsils, adenoids, thymus and spleen.
Muscular system: movement with muscles.
Nervous system: collecting, transferring and processing information with brain, spinal cord, peripheral nerves and nerves.
Reproductive system: the ans, such as ovaries, fallopian tubes, uterus, vagina, mammary glands, testes, vas deferens, seminal vesicles, prostate and penis.
Respiratory system: ans used for breathing, the pharynx, larynx, trachea, bronchi, lungs and diaphragm.
Skeletal system: structural support and protection with bones, cartilage, ligaments and tendons
Exercise – LG385
本篇描述的是不同动物的听觉系统
an, cricket, vibrate, eardrum, membrane, auditory, canal, merely, inner, feather, auricl