多见于5岁以下儿童，起源于神经嵴的恶性肿瘤为()A．神经母细胞瘤 B．恶性黑色素瘤

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.

11（）

A.nominated

B.selected

C.appointed

D.supported

急性酒精中毒共济失调期血中酒精浓度是

A．300～1000mg/L

B．500～1500mg/L

C．800～2000mg/L

D．2000～2500mg/L

E．2500～3000mg/L

1989年，我国农村人口中，文盲和半文盲人数为2．04亿，占世界8亿文盲和半文盲总数的1／4强。与美国人口总数差不多。我国农村人口中女性文盲和半文盲尤为严重，为男性文盲和半文盲的2倍。在农业就业人口中，文盲和半文盲占35．9％，小学文化程度占37．2％。农业就业人口中平均文化程度为4．8年，与1900年日本的水平相当。但是，日本用不到十年的时间，到了 1907年就普及了6年小学教育。

日本普及六年制小学教育至今已经有多少年了（）

A．60

B．70

C．90

D．95

某学校操场的一条环形跑道长400米，甲练习长跑，平均每分钟跑250米；乙练习自行车，平均每分钟行550米，那么两人同时同地同向而行，经过x分钟第一次相遇，若两人同时同地反向而行，经过y分钟第一次相遇，则下列说法正确的是（）。

A．A

B．B

C．C

D．D

因违约行为造成损害高于合同约定的违约金，守约方可( )。

A．按合同约定违约金要求对方赔偿

B．按实际损失加上违约金要求对方赔偿

C．在原约定违约金基础上适当增加一定比例违约定金

D．请示法院增加超过违约金部分损失