选出下列划线字的注音全部正确的一项（）（2分） A．栖息(qī）拾级(shí)烙

根据句意及所给中文提示或英文解释，写出句中所缺单词

1. Our earth is getting more and more ________(拥挤) because of the increase of people.

2. Sandy was late for school this morning because her bicycle went ________(毛病).

3. Jumping on Mars will be ________(危险) because we easily jump too high and flew away.

4. I think an air tank is the most important thing for an ________(宇航员).

5. We wear ________(特殊的) costumes with masks.

6. Simon wants to c________(to become different) his diet because he wants to healthier.

7. They have made a plan to clean up the p________ rivers.

女，29岁，妊娠32周，3周内 * * 少量流血二次。今凌晨突然 * * 流血多于月经量，无腹痛，血压13.3/10.7kPa，脉率96次/分，宫高30cm，腹围85cm，臀先露，未入盆，胎心音清楚，144次/min。

应最先考虑的疾病是（）

A.早产

B.前置胎盘

C.胎盘早期剥离

D.宫颈息肉

E.妊娠合并宫颈癌

请结合史实，说明1905年清政府废除科举制度是清朝教育制度改革过程中的一次飞跃。

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以下电泳涂装特点不正确的是（）。

A、涂料利用率高

B、涂层均匀

C、耐蚀性好

D、劳动量大