单项选择题

(As is known) to (all), sometimes it is very difficult (to tell) the difference between technical English (from everyday English).

A．As is known
B．all
C．to tell
D．from everyday English
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单项选择题
After succeeding ______ round Cape Horn, he sent a message to London.
A．sailing
B．to sail
C．in sailing
D．on sailing
单项选择题
Educators report that the generation ______ television can barely write an English sentence.
A．growing up with
B．coming up with
C．ending up with
D．up with
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