Which of the following statements about early American mechanics is TRUE？
A. They had received privileged home training.
B. They contributed to disciplined school management.
C. They are result of technological development.
D. They benefited a lot from their mathematical knowledge.
查看答案
Where most likely can the information be found？
A. On an advertisement
B. On the camera's box
C. In the user's manual
D. On the company's Web site
How long can the dressing be kept？
A. For 2 days
B. For 3 days
C. For 4 days
D. For 5 days
Some of the old people who inject flu vaccines experience serious side effects.
A. Y
B. N
C. NG
What else did he order？
A. Salad.
B. Potato soup.
Cream.
D. Ham.
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