这个标志是何含义?() A.应当鸣喇叭 B.禁止鸣喇叭 C.禁止鸣高音喇叭 D.禁止

题型:单项选择题

问题:

这个标志是何含义?()

A.应当鸣喇叭

B.禁止鸣喇叭

C.禁止鸣高音喇叭

D.禁止鸣低音喇叭

考点:机动车驾驶人考试基础知识理论考试(科目一)客车
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下图表示控制某性状的基因在亲子代间的传递,请仔细观察并回答下列问题。                

(1)图中的“”代表           ,A和a代表          

(2)请把上图中的精子、卵细胞和受精卵补画完整。

(3)在形成精子(或卵细胞)过程中,体细胞每对染色体中的       条进入精子(或卵细胞)。

(4)人体的正常受精卵中应含有          条染色体。

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脐静脉置管的最合适深度是()

A.1~2cm

B.2~3cm

C.5~7cm

D.7~8cm

E.8~9cm

题型:单项选择题

患者男,27岁。具有剧烈自发性搏动性牙痛,遇冷刺激可暂时缓解。

此时何种应急处理能最大程度地缓解疼痛()

A.黏膜切开引流

B.开髓引流

C.根管引流

D.切开骨膜引流

E.面部冷敷,服用四环素类抗生素

题型:单项选择题

烧结普通砖(GB5101-2003)标准中规定,以下数量的烧结普通砖,可以作为一个检验批的为()。

A、5万

B、10万

C、15万

D、20万

题型:单项选择题

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.

16()

A.out 

B.over 

C.forward 

D.around

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