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【判断题】
油脂能使西点产品保持柔软,加速淀粉老化,缩短点心的保存期。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】新药长期毒性试验,描述错误的是:
A.
一般行为活动宜每天观察记录
B.
试验中途允许改变剂量
C.
发现有阳性指标应加大观察密度
D.
啮齿类动物长期毒性试验中组均值的意义通常大于单个动物数据的意义
【单选题】Had you prepared for your lecture, you______ more fluently.
A.
should have spoken
B.
would have spoken
C.
would speak
D.
had spoken
【简答题】已知f（x）是奇函数，g（x）=f（x）+4，g（1）=2，则f（-1）的值是______．
【简答题】东巴文字是目前世界唯一存活着的象形文字,成为文字起源和发展的( )。
【简答题】某噬菌体可以携带供体DN段进入受体细胞中,但不能进行复制,这种噬菌体称为__________。
【单选题】______ you ______ any doubt on the delivery receipt, contact us at 4008 9666.
A.
Should; have
B.
In case; had
C.
If; had
D.
Have; had
【简答题】任何要迅速扩大经营规模的企业，都会遇到相当严重的现金短缺情况。（ ）
【简答题】I'm ashamed _____________ such a thing. [A] that you would have done [B] that you should have done [C] of what you are doing [D] to what you were doing
【单选题】There was a lot of fun at the party. You ________, but why didn't you? [ ]
A.
should come
B.
ought to have come
C.
may have come
D.
must have come
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