课程门户-章节详情

陈毓东

1 Curriculum
- 1.1 Welcome back-to-school
- 1.2 2021 Schedule
- 1.3 Course Curriculum
- 1.4 Additional info.
2 Unit 1 Bacterial Infections
- 2.1 Task 1 Glossary Preview
- 2.2 Task 2 Pair-work Discussion
- 2.3 Task 3 Meningitis
- 2.4 Task 4 Tuberculosis
- 2.5 Task 5 Sentence Dictation
- 2.6 Task 6 Infectious Diseases
- 2.7 Task 7 Deadly Superbug
- 2.8 Task 8 Listening & Interpretation
- 2.9 Task 9 Dialogue & Conversation
3 Unit 2_Hepatitis
- 3.1 Task 1 Glossary Preview
- 3.2 Task 2 Pair-work Discussion
- 3.3 Task 3 Hepatitis A
- 3.4 Task 4 Other Kinds of Hepatitis
- 3.5 Task 5 Sentence Dictation
- 3.6 Task 6 Hepatitis C
- 3.7 Task 7 Hepatitis B Affecting Millions of Chinese
- 3.8 Task 8 Listening & Interpretation
- 3.9 Task 9 Oral Presentation and Discussion
4 Unit 3-skin disorder
- 4.1 Task 1 Glossary Preview
- 4.2 Task 2 Pair-work Discussion
- 4.3 Task 3 Acne
- 4.4 Task 4 Vitiligo and Eczema
- 4.5 Task 5 Sentence Dictation
- 4.6 Task 6 Recognizing Details
- 4.7 Task 7 Fighting Melanoma
- 4.8 Task 8 Interpretation
- 4.9 Task 9 Oral Presentation and Discussion
5 Unit 4-Autism
- 5.1 Task 1 Glossary Preview
- 5.2 Task 2 Pair-work Discussion
- 5.3 Task 3 Early Intervention in Autism
- 5.4 Task 4 A New Test to Predict Autism
- 5.5 Task 5 Sentence Dictation
- 5.6 Task 6 Genetic Link in Autism
- 5.7 Task 7 Rethinking Autism
- 5.8 Task 8 Listening & Interpretation
- 5.9 Task 9 Oral Presentation and Discussion
6 Unit 5-Respiratory Diseases
- 6.1 Task 1 Glossary Preview
- 6.2 Task 2 Pair-work Discussion
- 6.3 Task 3 Asthma
- 6.4 Task 4 COPD
- 6.5 Task 5 Sentence Dictation
- 6.6 Task 6 Pulmonary Fibrosis
- 6.7 Task 7 High-Tech Lung Cancer Test Cuts Risk of Dying
- 6.8 Task 8 Listening & Interpretation
- 6.9 Task 9 Oral Presentation and Discussion
7 Unit 6 Cardiovascular Diseases
- 7.1 Task 1 Glossary Preview
- 7.2 Task 2 Pair-work Discussion
- 7.3 Task 3 Stroke
- 7.4 Task 4 Reducing Heart Disease Risks
- 7.5 Task 5 Sentence Dictation
- 7.6 Task 6 Heart Disease in Women
- 7.7 Task 7 Coronary Heart Disease
- 7.8 Task 8 Listening & Interpretation
- 7.9 Task 9 Oral Presentation and Discussion
8 Unit 7 First Aid
- 8.1 Task 1 Glossary Preview
- 8.2 Task 2 Pair-work Discussion
- 8.3 Task 3 First Aid
- 8.4 Task 4 Cardiopulmonary Resuscitation
- 8.5 Task 5 Sentence Dictation
- 8.6 Task 6 New Rules for CPR
- 8.7 Task 7 Emergency Care for an Unconscious Person
- 8.8 Task 8 Listening & Interpretation
- 8.9 Task 9 Oral Presentation and Discussion
9 Unit 8 Diabetes
- 9.1 Task 1 Glossary Preview
- 9.2 Task 2 Pair-work Discussion
- 9.3 Task 3 Diabetes Signs and Consequences
- 9.4 Task 4_Diabetes A Global Epidemic
- 9.5 Task 5 Sentence Dictation
- 9.6 Task 6 Recognizing Details
- 9.7 Task 7 Overall Comprehension
- 9.8 Task 8 Listening & Interpretation
- 9.9 Task 9 Oral Presentation and Discussion
10 Unit 9 Prostate Cancer
- 10.1 Task 1 Glossary Preview
- 10.2 Task 2 Pair-work Discussion
- 10.3 Task 3 Prostate Cancer
- 10.4 Task 4 Prostate Cancer Treatment
- 10.5 Task 5 Sentence Dictation
- 10.6 Task 6 Prostate Cancer Screening Controversy
- 10.7 Task 7 Prostate Cancer Vaccine
- 10.8 Task 8 Listenning & Interpretation
- 10.9 Task 9 Dialogue & Concersation
11 Unit 10 Woman's Health
- 11.1 Task 1 Glossary Preview
- 11.2 Task 2 Pair-work Discussion
- 11.3 Task 3 Women's Health Management
- 11.4 Task 4 Controversy over Mammograms
- 11.5 Task 5 Sentence Dictation
- 11.6 Task 6 Women's Health_High Alert Symptoms_
- 11.7 Task 7 The State of Women's Health in America
- 11.8 Task 8 Listening & Interpretation
- 11.9 Task 9 Dialogue & Concersation
12 Unit 11 Alzimer disease
- 12.1 Task 1 Glossary Preview
- 12.2 Task 2 Pair-work Discussion
- 12.3 Task 3 Signs of Alzheimer's Disease
- 12.4 Task 4 Studies about Alzheimer's Disease
- 12.5 Task 5 Sentence Dictation
- 12.6 Task 6 Testing For Alzheimer's before It's Too Late
- 12.7 Task 7 Fighting Alzheimer's
- 12.8 Task 8 Listening & Interpretation
- 12.9 Task 9 Dialogue & Concersation
13 Unit 12 Parkinson disease
- 13.1 Task 1 Glossary Preview
- 13.2 Task 2 Pair-work Discussion
- 13.3 Task 3 Parkinson's Disease
- 13.4 Task 4 Treatment of Parkinson's Disease
- 13.5 Task 5 Sentence Dictation
- 13.6 Task 6 Parkinson's Disease and Dancing
- 13.7 Task 7 Experimental Gene Therapy for Parkinson's Disease
- 13.8 Task 8 Listening & Interpretation
- 13.9 Task 9 Oral Presentation and Discussion
14 Unit 13 Medical transplantation
- 14.1 Task 1 Glossary Preview
- 14.2 Task 2 Pair-work Discussion
- 14.3 Task 3 Spot Dictation
- 14.4 Task 4 Types of Medical Transplant
- 14.5 Task 5 Sentence Dictation
- 14.6 Task 6 A Lifesaving Bond between Sisters
- 14.7 Task 7 New Face Transplant
- 14.8 Task 8 Listening &Interpretation
- 14.9 Task 9 Oral Presentation and Discussion
15 Unit 14 Gene research and therapy
- 15.1 Task 1 Glossary Preview
- 15.2 Task 2 Pair-work Discussion
- 15.3 Task 3 Gene Linked to Stroke Risk
- 15.4 Task 4 Experimental Gene Therapy for Hemophilia
- 15.5 Task 5 Sentence Dictation
- 15.6 Task 6 Genetic Checkup
- 15.7 Task 7 Personalized Cancer Care
- 15.8 Task 8 Listening & Interpretation
- 15.9 Task 9 Dialogue & Concersation
16 Unit 15-Infertility and Reproductive Technology
- 16.1 Task 1 Glossary Preview
- 16.2 Task 2 Pair-work Discussion
- 16.3 Task 3 Infertility Issues
- 16.4 Task 4 Concerns over IVF
- 16.5 Task 5 Sentence Dictation
- 16.6 Task 6 Preserving Fertility with Ovarian Tissue Transplants
- 16.7 Task 7 Sperm Counts On The Decline
- 16.8 Task 8 Listening & Interpretation
- 16.9 Task 9 Dialogue & Concersation
17 Unit 16-Stem cell therapy
- 17.1 Task 1 Glossary Preview
- 17.2 Task 2 Pair-work Discussion
- 17.3 Task 3 Debate Over Embryonic Stem Cells
- 17.4 Task 4 Stem Cells
- 17.5 Task 5 Sentence Dictation
- 17.6 Task 6 Stem Cells Used to Fight Woman's Brain Tumor
- 17.7 Task 7 Stem Cells Help Regenerate Damaged Heart
- 17.8 Task 8 Listening & Interpretation
- 17.9 Task 9 Dialogue & Concersation

Task 4 Stem Cells

Task4 Short Answer Questions

Listen to a passage “Stem Cells” twice.While listening, you are to give an answer as short as possible to each of thequestions below.

1. Why doscientists say that adult stem cells are not as useful as other kinds of stemcells?

They cannot reproduce themselves in largenumbers.

2. Where are the most useful kinds of stem cells taken from?

They are taken fromembryos.

3. What is the great value of embryonic stem cells?

Theirability to reproduce in large numbers.

4. Whatdiseases do researchers believe embryonic stem cells may be used to treat?

Diseases include diabetes, Parkinson’sdisease and Alzheimer’s disease.

5. What problems does stem cell research present?

Special scientific andnon-scientific problems.

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