皮皮学，免费搜题
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【多选题】
下列不能授予专利权的情况有( )。A.
科学发现
B.
智力活动的规则和方法
C.
疾病的诊断和治疗方法
D.
动植物品种的生产方法
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】You ____that letter to James. However, you didn’t.
【单选题】I appreciate ______that letter for me.
A.
you to write
B.
your writing
C.
you write
D.
that you writing
【单选题】You that letter to James. However, you didn't.
A.
ought to write
B.
ought to have written
C.
should write
D.
should be writing
【单选题】听力原文：W: Did you read that letter in the newspaper about smoking? The person who wrote that must be crazy. M: I don't think so. I think the government should do everything it can to discourage people f...
A.
A man.
B.
A letter in the newspaper.
C.
A law.
D.
The government.