you got Ul5 late won't be a sufficient excuse for your being late for class（）
A. It is
B. That
C. Because
D. What
查看答案
We can conclude from this passage that ______.
A. the heat created in microwave ovens is very difficult to control
B. food tastes better when cooked in a microwave oven
C. food cooked in microwave ovens is probably more nutritious than food cooked in more conventional ways
D. most research on the effects of microwaves on human beings has been restricted to the study of low level microwave radiation
English didn't become the official language of the England until______ after the Hundred Years' War.
A. [A] 12th
B. [B] 13th
C. [C] 14th
D. [D] 15th
Two systems of weights and measures used in the U.S. are ______.
A. the U. S. Customary System and the metric system
B. the International System and the metric system
C. the Imperial System and the metric system
D. the Customary System and the Imperial system
The author' s tone is ______.
A. objective
B. sarcastic
C. negative
D. skeptical
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