根据短文内容选择适当的单词,并用其正确形式填空,每个词限用一次。good, wa

题型:填空题

问题:

根据短文内容选择适当的单词,并用其正确形式填空,每个词限用一次。
good,  way,  hurt,  strong,  child,  make,  each,  dangerous,  leaf,  fill
    Man invented a lot of sports equipment. The first thing invented was the ball. Thousands of years ago,
in Egypt, the 1.        _ favorite game was throwing stones.But a badly thrown stone could 2. _        a child.
Looking for something less 3.    _     to throw, the people in Egypt 4.    _     the first balls.
     At first, they used tree 5._____to make balls. They used vines ( 藤) to keep the leaves together. Later
they began to use pieces of animal skin to make balls and 6.     _    them with some light things.  These balls
were much 7.       _  than the old one.
      Before long they invented a lot of ball games, and 8.  _       had its own rules. They began to play these
ball games according to the rules. They thought that ball playing was one of the best 9.  _       to teach the
young men to be brave and 10.        _ .
考点:科教类阅读
题型:填空题

下列现象利用微粒在不断运动这一观点无法解释的是(  )

A.把两块表面光滑干净的铅块压紧,就不容易将它们拉开

B.水通电分解成氢气和氧气

C.同样表面积的热水比冷水蒸发的快

D.在医院里充满了酒精味和其他中药混合的药味

题型:填空题
计算:
(1)(-a2)-(-2a32
(2)(-3x)(2x3-3x2+4x-1)
(3)(2x-3)(3x2+2x-5)
(4)(-x)8÷(-x)5
(5)-24x5y5z÷32x2y3
(6)27a2bc-(-
1
3
bc23÷
1
5
a2b3c6
(7)[-4x(2xy+3xy2)+12(x2y)2y3]÷(-6xy)
(8)[-2-3-8-1×(-1)-2]×(-
1
2
-2×70
题型:填空题

以下不属于从业人员之间交流合作正确方式的有( )。

A.参加学术研讨会

B.参加同业联席会议

C.召开专题协调会

D.互相交换对方客户信息

题型:填空题

贸易条件(又称贸易术语)是用一个简短的词组或几个略语的组合来说明买卖双方()、()和()的划分。

题型:填空题

患者,男性,46岁。3天前查体发现血压160/98mmHg,平素无任何症状。既往体健,吸烟20年,每日20支,其母死于高血压脑出血。查体:BP178/100mmHg,P62次/分,肥胖体型,双肺(-),心脏不大,A2>P2,下肢不肿。

问题1:下列检查对判断是原发性还是继发性高血压有价值的是()

A.心电图

B.尿常规

C.肾功能

D.肝功能

E.超声心动图

F.左室心功能

G.动态血压监测

H.血钾、钠、氯

I.动脉血管造影

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