皮皮学，免费搜题
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搜题
【单选题】
刺激引起组织细胞兴奋需要的条件是A.
刺激的强度要达到阈强度
B.
用最小刺激强度和最短的作用时间
C.
引起组织发生兴奋的最适作用时间
D.
刺激强度和时间要恒定
E.
刺激强度、刺激持续时间以及刺激强度变化率三个参数达到临界值
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举一反三
【单选题】To make a refund request, the buyer should __________.
A.
prove the product is not as good as described
B.
tell the seller about the refund request in advance
C.
deliver the purchase package to the store
D.
send the product to the seller in good condition
【单选题】To make a refund request, the buyer should .
A.
prove the product is not as good as described
B.
tell the seller about the refund request in advance
C.
deliver the purchase package to the store
D.
Send the product to the seller in good condition
【单选题】Do you want to change it or get a refund?
A.
You don't want a refund.
B.
I'd like to change it for a larger size.
C.
You prefer to have another shirt.
【单选题】--Can I get a tax refund for this? --__________
A.
I'd like to pay by my VISA card.
B.
Yes, you'll need to fill in this form first.
C.
You can get the refund at the mall.
【单选题】--_________ --You can get the refund at the airport.
A.
How would you like to pay?
B.
Can I get a tax refund for this?
C.
Where could I get the refund?
【多选题】幼儿中暑时，教师要做到哪些工作（）。
A.
可用冷水，冰块或酒精擦体，或在患儿腋下、腹股沟放冰袋，给幼儿进行冷饮，争取使体温降至38℃以下
B.
设法降低室温，多让幼儿喝水
C.
重症者立即送医院治疗
D.
为避免感染，必须立即检查幼儿的脉搏
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