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【简答题】
上好一堂课的具体要求主要有（ ）。
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举一反三
【简答题】基因型为AABB和aabb的两亲本杂交，F1自交，F2群体的表现型如下：A_B_660株、A_bb91株、AAB_89株、aabb160株。问：A、B基因是否连锁？为什么？如果连锁，交换值是多少？
【单选题】The correspondent also said that
A.
it had something to do with the pressure within the American Congress.
B.
it would curb the pressure within the American Congress for more protectionist legislation.
C.
it would influence the protectionist legislation designed to keep foreign goods out.
D.
it would not control the pressure within the American Congress for more protectionist legislation designed to keep foreign goods out.
【单选题】The pump discharge pressure will be considerably higher than the pressure at the _____.
A.
pump entry branch
B.
outlet pipe
C.
impeller
D.
None of the above is true
【单选题】Which of the following best describes the thermodynamic effect on the pressure and volume relationship with regards to saturated gases?
A.
As pressure decreases, volume increases
B.
As volume increases, pressure increases
C.
As volume decreases, pressure decreases
D.
AS pressure increases, volume increases
【单选题】The manager_______bowed to the workers working on the projects under the pressure from the public and the government. [ ]
A.
faithfully
B.
evidently
C.
eventually
D.
conventionally
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