第4题
A.understanding
B.understandable
C.understood
D.underlined
第5题
The word "exposures" in this paragraph can be understood as "risks".
A.Right
B.Wrong
C.Doesn't say
第6题
1f you had been with us, you ______ our excitement.
A.understood
B.would understand
C.would have understood
D.had understood
第7题
Watras understood he was picking up radiation at.home as_________.
A.he always set off alarms when passing through the monitors
B.most of his co-workers passed through the monitors without problem
C.he proved one day he wasn’t picking up.radiation at work
D.scientists found out his house contained radiation
第8题
They found the lecture hard______.
A.to be understood
B.to understand
C.for being understood
D.for understanding
第9题
It's a pity that Professor Smith has failed to make his idea ______ in the classroom.
A.understanding
B.to be understood
C.understood
D.to understand
第10题
A.simpler than
B.more difficult than
C.not yet understood
D.the same as
第11题
His English was so poor that he found it difficult to make himself______.
A.understood
B.understand
C.be understood
D.to understand