某学生用显微镜观察装片时,见视野中有甲、乙、丙异物。为判断异物的位置,他先转动目

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问题:

某学生用显微镜观察装片时,见视野中有甲、乙、丙异物。为判断异物的位置,他先转动目镜,见甲异物动,然后转换物镜,三异物仍存在。据此,三异物可能在[ ]

A.目镜

B.物镜

C.反光镜

D.装片

考点:显微镜的使用方法
题型:多选题

I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.
It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .
They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.
The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop"
Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) She had only one small, flat bag with a few candies—fiftycent candies I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.
"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "
I never felt so (20) as I did that day.

二、完形填空

A.out

B.over

C.forward

D.around

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2003年12月13日,由旅日华侨捐资50万元铸造的重6.6吨的“和平大钟”,在南京撞响66声。对此举的理解你认为正确的是

①纪念66年前南京大屠杀中30多万遇难同胞 ②痛斥日本军国主义的暴行

③警示世人铭记历史深思历史 ④抗议日本右翼势力否认侵略掩盖暴行的行径 [ ]

A.①②③

B.③④

C.①③④

D.①②③④

题型:多选题

大型钢轨探伤车探测钢轨螺孔斜裂纹的探头折射角为()。

A、70°

B、45°

C、37°

D、40°

题型:多选题

对于新建项目污染物排放量统计,应算清两本账,即( )。

A.生产过程中的污染物产生量
B.实现污染防治措施后的污染物削减量
C.污染物最终排放量
D.单位产品污染物排放量

题型:多选题

地方各级人民政府应当推广秸秆机械化还田,鼓励用秸秆为原料发展()产品,促进综合利用?

A、生物质能

B、生物饲料

C、人造板材

D、工艺美术

E、能源循环

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