集合A={x|6x-3∈Z，x∈N}，则集合A中元素的个数为 ______．

诊断为

A．股骨头骨折

B．股骨头骨髓炎

C．股骨头缺血性坏死

D．退行性骨关节炎

E．骨肿瘤

所有微生物都是单细胞的，都属于分解者．______．

阅读选文，完成1-5题。

　　【甲】自三峡七百里中，两岸连山，略无阙处。重岩叠嶂，隐天蔽日。自非亭午夜分，不见曦月。至于夏水襄陵，沿溯阻绝。或王命急宣，有时朝发白帝，暮到江陵，其间千二百里，虽乘奔御风，不以疾也。（选自《三峡》）

　　【乙】六里，渡一溪，颇大。又南，有峰东环而下。又二里，盘峰冈之南，乃西向觅小径入峡。峡中西望重峰掩映最高一峰当其后，有雪痕一派^①，独高垂，如匹练界^②青山，有溪从峡中东注，即清碧^③之下流^④也。……从其后西二里，蹑^⑤峻凌崖。其崖高穹^⑥溪上，与对崖骈^⑦突如门，上耸下削，溪破其中出。（选自《游大理日记》）

　　【注释】①派：量词。②界：隔断。③清碧：溪水名。④下流：河流的下游。⑤蹑：踩、踏。⑥穹：隆起。⑦骈：并列。

1．请解释下面句子中加粗的词语。

（1）隐天蔽日：___________

（2）或王命急宣：_________

（3）有峰东环而下：_______

2．下面句子中加粗词意思相同的一组是（　）

A．渡一溪　　　　　而或长烟一空（《岳阳楼记》）

B．即清碧之下流也　水陆草木之花（《爱莲谚》）

C．与对崖骈突如门　隳突乎南北（《捕蛇者说》）

D．上耸下削　　　　上书谏寡人者（《邹忌讽齐王纳谏》）

3．请用现代汉语翻译下面句子。

（1）自三峡七百里中，两岸连山，略无阙处。

________________________

（2）乃西向觅小径入峡。

________________________

4．请用“／”给下面句子断句。（断两处）

峡中西望重峰掩映最高一峰当其后

5．请分别写出【甲】【乙】两文中表现水流湍急的句子。（用原文语句回答）

________________________

A How to Use a Painting Knife 使用画刀的方法
Painting with a knife is a bit like putting butter on bread and produces quite a (1) result to a brush. Painting knives are excellent for producing textured, impasto work and (2) areas of flat colour.
What’s the difference between a palette knife and a painting knife
A palette knife is a long, straight spatula that is used (3) mixing paints and scraping a palette clean. They’re made from metal, plastic, or wood and (4) either be completely straight or have a slightly bent handle. A painting knife has (5) large crank in the handle, which takes your hand away from the painting surface. They (6) in numerous shapes(for example pear-, diamond-, or trowel-shaped) and are used for painting (7) of a brush. The edge of the knife is blunt, so that it doesn’t cut the (8) .
·What shape of painting knife should I use
Different shaped painting knives produce different effects. For example, a short blade produces angular strokes (9)a long blade makes it easy to put down sweeps of colour.
·Why can’t I use a palette knife to paint with
You can. Painting (10) just have the advantage of coming in more angular shapes and with sharper points. And (11) larger crank in the handle means there’s less chance of rubbing your knuckles into wet (12) . If you’re unsure whether you’re going to enjoy painting with a knife, first buy a (13) , plastic palette knife and experiment a bit with this before upgrading to a wood-and-metal knife.
·How do I use painting knife
(14) the handle firmly so you’re got good control. Pick up some paint off your palette (15) the tip, as you’d pick up some butter with a knife. Use the side of the (16) to spread paint across your canvas, or press it onto the canvas, as you (17) spread butter across a slice of bread．It’ll seem strange at first as it’s quite (18) to using a brush. Using just the tip of the blade will produce small dots. (19) the edge of the knife down will produce fine lines. Pressing the blade flat down (20) the paint will produce ridges. Scrape back into the paint to reveal underlying layers (called sgraffito).

为了保护未成年人的身心健康及其合法权益，促进未成年人健康成长，根据《宪法》，我国制定了《中华人民共和国未成年人保护法》。下列描述与《未成年人保护法》不一致的是（）。

A.保护未成年人，主要是学校、老师和家长共同的责任

B.教育与保护相结合是保护未成年人工作应遵循的基本原则

C.学校应当尊重未成年学生受教育的权利，关心、爱护学生，对品行有缺点、学习有困难的学生，应当耐心教育、帮助，不得歧视、不得违反法律和国家规定开除未成年学生

D.未成年人享有生存权、发展权、受保护权，国家根据未成年人身心发展特点给予特殊、优先保护，保障未成年人的合法权益不受侵犯