After children have helped to set the table with impressive accuracy, they________.
A. are able to help parents serve dishes
B. seat themselves and wait for their meals
C. are able to figure out the total pieces
D. can enter a second-grade mathematics class
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________from other countries can't work in the United States without a permit.
A. Emigrants
B. Immigrants
C. Migrants
D. Civilians
For wandering bards, it is________to tell the difference between reality and imagi nation.
A. significant
B. unnecessary
C. possible
D. useful
男，30岁，急性失血性贫血患者。 当丢失血容量至少达多少时即可有贫血表现
A. 10%
B. 20%
C. 30%
D. 25%
E. 35%
The best title for this passage might be________.
A. Chinese Cooking Style
B. Differences between Proteins
C. How to Take Proteins Scientifically
D. How to Avoid Heart Disease
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