在我国，有权接受县级人民代表辞去代表职务的机关是

【名词&注释】

血红素(heme)、甘氨酸(glycine)、人民代表大会(the people congress)、常务委员会(standing committee)

[单选题]在我国，有权接受县级人民代表辞去代表职务的机关是

A. 本级人民代表大会常务委员会^{(standing committee)}
B. 上一级人民代表大会常务委员会^{(standing committee)}
C. 本级人民代表大会
D. 上一级人民代表大会

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学习资料：

[单选题]根据以下材料回答 1～20 题：

Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points) Research on animal intelligence always makes me wonder just how smart humans are___(1)___the fruit-fly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly __(2)__to live shorter lives. This suggests that __(3)___ bulbs burn longer, that there is a(n)___(4)___in not being too terrifically bright. Intelligence, it ____(5)_ , is a highpriced option. It takes more upkeep, burns more fuel and is slow___(6)___ the starting line because it depends on learning—a (an) ____(7)_ process—instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to __(8)____. Is there an adaptive value to __(9)___intelligence? That’s the question behind this new research. I like it. Instead of casting a wistful glance__(10)____at all the species we’ve left in the dust I.Q.wise, it implicitly asks what the real____(11)__of our own intelligence might be. This is__(12)___the mind of every animal we’ve ever met. Research on animal intelligence also makes me wonder what experiments animals would__(13)___on humans if they had the chance. Every cat with an owner, ___(14)___, is running a small-scale study in operant conditioning. We believe that__(15)____animals ran the labs, they would test us to___(16)___the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really__(17)__, not merely how much of it there is.__(18)___, they would hope to study a__(19)__question: Are humans actually aware of the world they live in?__(20)____the results are inconclusive. 第 1 题 请选择(1)处最佳答案（ ）。

A. Suppose
B. Consider
C. Observe
D. Imagine

[多选题]甘氨酸在体内可参与合成的物质是

A. 嘌呤
B. 嘧啶
C. 肌酸
D. 血红素

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