阅读理解 Phoenix , Arizona, the USA was sha

题型:阅读理解

问题:

阅读理解

     Phoenix , Arizona, the USA was shaken by a big sandstorm recently. It was a huge dust storm that

struck Phoenix a little after 7:00 pm local time.

     Arizona has sandstorms particularly during the monsoon( 季风 )season which usually starts from

mid-June until the end of September. However, this was so far the biggest. The cloud of dust turned day

into night. Some trees were downed, gardens were destroyed and it knocked out power for thousands

of local people along the area, but luckily no death happened. A number of the people's pools became

dirty with dust. People who lived in Phoenix for more than 40 years said that this was the first time they

had experienced this huge dust storm. It could greatly influence people's health.

     The big dust cloud started in Tucson traveling north across the desert. The huge storm ran up to 60

miles per hour. It was more than 100 miles wide and a mile high. Besides Phoenix and near cities ,the

storm also reached Yuma area in southwestern and far western Arizona. It reduced the visibility ( 能见度 ) in these areas, putting off the flights at Phoenix Sky Harbor International Airport.

     The storm only takes place in Arizona, the Sahara Desert and areas of the Middle East, because of

the dry environment and large amounts of sand. Because of the serious shortage of rain, a wall of there's

a large possibility that the water is polluted because of the storm.

1. It is fortunate that though the big sandstorm happened,______.

A. people's health was not influenced

B. it didn't do harm to people's gardens

C. the electricity power remained normal

D. all the local people in the area survived

2. Sandstorms take place in Arizona as a result of _____.

A. its being too far away from the sea.

B. its dry environment and large amounts of sand

C. its being close to the Sahara Desert

D. its looking like areas of the Middle East

3. What does the passage mainly talk about?

A. Sandstorms do a great deal of harm to people

B. We must do something to prevent sandstorms.

C. Phoenix , Arizona in the US experienced a huge sandstorm.

D. Phoenix, Arizona in the us has more sandstorms.

考点:新闻报道类阅读
题型:阅读理解

如图中S1、S2是弦线两端的两个波源,它们的振动周期都为T,振幅都为a,某时刻S1发出的波恰好传到C,S2发出的波恰好传到A,图中只画出了此时刻两列波在AC部分的叠加波形,S1A间、S2C间波形没有画出,下列说法正确的是(  )

A.A、B、C三点是振动加强点

B.A、C是振动减弱点,B是振动加强点,振幅为2a

C.再经过

T
4
,AC间的波形是一条直线

D.再经

T
4,AC间的波形不是一条直线

题型:阅读理解

小麦高秆(H)对矮秆(h)是显性。现有两株高杆小麦,它们的亲本中都有一个是矮秆小麦,这两株小麦杂交,在F1中出现纯合体的几率是[ ]

A.75%

B.50%

C.25%

D.12%

题型:阅读理解

患者男,77岁,因“发现右侧睾丸肿物15d”来诊。15d前患者洗澡时无意中发现右侧睾丸肿物,无疼痛,平躺时肿物无缩小。既往体健,无传染病及手术史。泌尿系统彩色超声:右侧睾丸不规则增大,内部均质的低回声团块。

最可能的诊断为()

A.附睾、睾丸炎

B.睾丸鞘膜积液

C.睾丸扭转

D.睾丸非生殖细胞瘤

E.睾丸恶性肿瘤

题型:阅读理解

当凹版版辊表面出现轻微划伤时,可以使用()进行消除。

A.400#砂纸打磨

B.退铬重镀

C.专用砂网打磨

D.重新制版

题型:阅读理解

债权人放弃物的担保的,保证人在债权人放弃权利的范围内免除保证责任。

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