皮皮学，免费搜题
登录
搜题
【判断题】
上海研制发明的光刻机使得PET-CT的价格下降了一半。()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】-- The thread of my kite broke and it flew away. -- I had told you it would easily break_______ it was the weakest.
A.
when
B.
since
C.
unless
D.
where
【单选题】Age had left him ()and for most of the time he had to stay in bed.
A.
motionless
B.
easily broken
C.
frail
D.
dead
【简答题】岩石在建筑工程中有哪些用途？
【简答题】If it had not been for your help, I (not finish)____________the work so easily.
【简答题】胃在消化吸收过程中有哪些作用?
【单选题】_____ the fog, you would find the beautiful tower in the distance easily.
A.
Had it not been for
B.
I at were not
C.
If it had not been for
D.
Were it not for