_________isstillthemainchoicefortravellingnowadays.
A. Car
B. Train
C. Plane
D. Camel
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Whichpartofamagazinedoyouthinkthispassagecomesfrom?
A. SportsWorld
B. ManandAnimals
C. HistoryandGeography
D. PopularScience
Activity 2Fill in the blanks with the proper forms of words given in the brackets.1. Headaches can __________ (classify) into certain types.2. Tigers and sheep have quite different _______ (natural).3. Paris is an _______ (Europe) city.4. His ________ (promote) means a raise in salary.5. With the ________________(develop) of science, human life has changed tremendously.
Activity 3 GrammarFill in the blanks with the proper forms of words given in the brackets.1. Miss Chen is _________(popular) than Mr. Wang.2. She is _________(young) than all the other students.3. There is _________(little) water in the bottle than in the glass.4. Tom drives much _________(careful) than John.5. She got up _________(early) today than (she did) yesterday.
检出携带者(carrier)的最佳方法是
A. 基因检测
B. 生化检测
C. 体征检查
D. 影像学检查
E. 家系调查