皮皮学，免费搜题
登录
搜题
【简答题】
如果你是一位足球迷，在看一场精彩的足球比赛，有时会因为异常兴奋或紧张而使你面红耳赤、心跳加快、血压升高。右图是整个反射过程示意图，请你结合所学知识，回答问题： （1）当精彩的画面进入你的眼球，会在【】 上形成清晰的物像，而视觉是在【】 产生的。 （2）【B】肾上腺产生的肾上腺素进入肾上腺毛细血管，通过血液循环调节心脏等的机能，从而出现图示中【C】现象，这一调节过程叫做 调节。通过图示的反射过程可以看出，此调节过程是在 的调节控制下完成的。
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】Your family and friends can help you argue with your neighbors.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】He worked as a man obsessed, oblivious to family and friends, shunning holidays, forgetting anniversaries.
A.
nervous about
B.
furious about
C.
irritated by
D.
unaware of
【单选题】We give gifts to family and friends because in this way we can get something back.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【单选题】Having managed to survive the funeral and the solicitous attention of family and friends, we long to be left alone so we can stop being brave and give in to the ______.
A.
concern
B.
cowardice
C.
demand
D.
grief
【简答题】假设世界上打字最快的打字员恰好是脑外科医生,那他应该自己打字还是雇佣一个秘书?( 设他作为脑外科医生工作 1 小时得到 20 美元,打字 1 小时 10 美元; 秘书工作 1 小时 8 美元)
【单选题】For you, your family and friends, the benefits begin the day you stop smoking and go on . [ ]
A.
at all costs
B.
at random
C.
in despair
D.
for good
【单选题】Why is Madonna reluctant to support her family and friends?
A.
Because she prefers maternal grandmother to her own mother.
B.
Because she shows pity on the old-aged rather than on the middle-aged.
C.
Because she hates a person living on others without his or her own great efforts.
D.
Because she wants to follow other self-reliant and self-made millionaires.
【简答题】（ ）是从支出的角度计算GDP，因为所有最终产品都是提供给市场的，市场上的需求者购买这些最终产品时就会有等量的支出发生。
相关题目：