下列关于Java的说法不正确的是（ ）。A． true B． false C．

自2011年1月28日起，对于个人购买住房不足（）年转手交易的，统一按其销售收入全额征税。

A、1

B、2

C、5

D、7

下列不属于单细胞微生物的是（　　）

A．酵母菌

B．放线菌

C．乳酸菌

D．青霉

动脉导管未闭的病理解剖部位在

A.主动脉弓部与肺动脉分叉处 

B.主动脉峡部与左肺动脉根部之间 

C.降主动脉与主肺动脉之间 

D.升主动脉与主肺动脉之间 

E.升主动脉与肺动脉分叉处

天然气与煤炭、石油等能源相比具有使用安全、热值高、洁净等优势．天然气的主要成分是甲烷，此外还含有少量的乙烷、丙烷、二氧化碳、一氧化碳等．

（1）天然气属于______（填“混合物”或“纯净物”）．

（2）甲烷燃烧时发生的化学反应的微观示意图如下图所示．其中，

表示碳原子，

表示氧原子，

表示氢原子．

①A中分子为甲烷分子，1个甲烷分子中含有______个原子．

②甲烷中碳、氢元素质量比为______．

③根据图示信息，写出甲烷燃烧反应的文字表达式______．

（3）甲烷不仅可以作为燃料，还可以用于制造多种物质．例如，在高温条件下，甲烷可以生成碳和氢气，该反应的文字表达式为：甲烷

高温  .

碳+氢气，基本反应类型为______．

A recent poll indicated that half the teenagers in the United States believe that communication between them and their parents is (1) and further that one of the prime causes of this gap is (2) listening behavior. As a(an) (3) in point, one parent believed that her daughter had a severe (4) problem. She was so (5) that she took her to an audiologist to have her ear tested. The audiologist carefully tested both ears and reported back to the parent:"There’s nothing wrong with her hearing. She’s just (6) you out. "

A leading cause of the (7) divorce rate (more than half of all marriages end in divorce) is the failure of husbands and wives to (8) effectively. They don’t listen to each other. Neither person (9) to the actual message sent by the other.

In (10) fashion, political scientists report that a growing number of people believe that their elected and (11) officials are out of (12) with the constituents they are supposedly (13) Why Because they don’t believe that they listen to them. In fact, it seems that sometimes our politicians don’t even listen to themselves. The following is a true story: At a national (14) conference held in Albuquerque some years ago, then Senator Joseph Montoya was (15) a copy of a press release by a press aide shortly before he got up before the audience to (16) a speech. When he rose to speak, (17) the horror of the press aide and the (18) of his audience, Montoya began reading the press release, not his speech. He began, "For immediate release. Senator Joseph M. Montoya, Democrat of New Mexico, last night told the National... " Montoya read the entire six page release, (19) with the statement that he "was repeatedly (20) by applause.

15（）

A.distributed

B.awarded

C.handed

D.submitted