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【单选题】
Based on the information in the passage, what can be inferred about X-ray microscopes in the future?A.
They will probably replace electron microscopes altogether.
B.
They will eventually he much cheaper to produce than they are now.
C.
They will provide information not available from other kinds of microscopes.
D.
They will eventually change the illumination range that they now use.
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举一反三
【单选题】If you have difficulty in learning English, I have some ____ to help you.
A.
steps
B.
actions
C.
tips
【简答题】I have difficulty in waking up by myself in the morning. I need a(n) .
【单选题】– I have difficulty in learning English. I don’t know _______. – Why not join an English club?
A.
why to do
B.
what to do
C.
when to do
【单选题】She is suffering from obesity. It's difficult for me to walk fast and I have difficulty in breathing.中的obesity可以用以下哪个单词代替?
A.
headache
B.
stomachache
C.
toothache
D.
overweight
【简答题】I have difficulty in this book. 我读这本书有困难。
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