男，11岁。生时即发现左头面部有隆起的肿块，此后肿块缓慢生长，2岁时影响视物。生长发

发布时间：2017-05-04 02:30 │ 来源：www.tikuol.com

题型：单项选择题 A2型题

问题：

男，11岁。生时即发现左头面部有隆起的肿块，此后肿块缓慢生长，2岁时影响视物。生长发育较同龄儿迟缓。父亲具有同样病史。专科情况：左侧头皮下、颜面部均可触及质软肿块，约23cm×15cm；视觉功能丧失；躯干及四肢可见散在、大小不等的咖啡牛奶样斑，受侵犯部位的颅骨、下颌骨、胸部可触及2、3肋骨呈虫蚀样改变。CT显示：左侧面颊中及额颞部，左侧颞下窝及左眼眶大范围软组织块，左眼球及左侧颅中凹发育畸形。考虑诊断为（）

A.肾上腺脑白质营养不良

B.结节性硬化症

C.苯丙酮尿症

D.Sturge-Weber综合征

E.神经纤维瘤病

考点：儿科住院医师神经系统疾病神经系统疾病题库

题型：单项选择题 A2型题

根据短文内容，从下面表格中选择正确的选项填入横线空格处。

A. Scientists are still working on testing them.
B. So some clever farmers have solved (解决) the watermelon problem.
C. Doctors might be able to use vegetables to fight cancer now.
D. Since 1990s, many Chinese farmers have had amazing rice harvests (收成).
E. Well, today the poem needs to change to"Roses are red, roses are blue"!

       Most people may not think that there are any problems with watermelons (西瓜), but some Japanese sellers do. There is often wasted space when they store watermelon because round watermelons do not
sit nicely on shelves.  1   They make their watermelons grow in square (正方形的) glass boxes so the
watermelons become square. The only problem now is the price which is about 80 dollars each.
       Many people know the saying"Roses are red, violets are blue, sugar is sweet and so are you."   2
Australian scientists have just recently discovered that when they put a chemical from a blue flower into
a rose, they can create a nearly 100% blue rose. Some of scientists' inventions are beautiful, not just useful.
         3   For many years Chinese scientists have been working on developing new kinds of stronger rice
and now they have produced a new kind called super rice. Super rice not only can protect itself against
insects (害虫) and diseases, but it also produces more than any other kind of rice. Today farmers can
grow almost one and a half times more rice than they could grow in the past.
          4   US scientists have discovered a way to put a chemical into tomato plants while they are growing. When cancer patients eat the tomatoes, the tomatoes will fight the cancer in their bodies. These
cancer-fighting vegetables are not yet for sale.  5   If study finds no problems with tomatoes, then patients
can begin to use this easy and delicious new treatment.

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题型：单项选择题 A2型题

下面各语句中，正确的是[ ]

A．两条直线被第三条直线所截，同位角相等

B．不相交的两条直线是平行直线

C．若a∥b，c∥d，则a∥d

D．同旁内角互补，两直线平行

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题型：单项选择题 A2型题

钢结构焊接产生热裂纹的主要原因不包括( )。

A．母材抗裂性能差

B．焊接材料质量不好

C．焊接工艺参数选择不当

D．焊前未预热，焊后冷却快

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题型：单项选择题 A2型题

底层室内地面以下或防潮层以下的砌体，应采用强度等级不低于（）的混凝土灌实小砌块的孔洞。

A.C10

B.C15

C.C20

D.C30

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题型：单项选择题 A2型题

挂炉的目的是什么？

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