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小题1:Why is June 6, 1990 a special day for Mommy? A．Her dream of being a mother came true. B．She found her origin from her Chinese mother. C．She wrote the letter to her daughter. D．Her female line was well linked. 小题2:How does Mommy feel about her being given away? A．It is bitter and disappointing. B．It is painful but understandable. C．She feels sorry but sympathetic. D．She feels hurt and angry. 小题3:What does “I stood out like a sore thumb” in Paragraph 5 mean? A．I walked clumsily out of pains. B．I was not easy to love due to jealousy. C．I was impatient out of fear. D．I looked different from others. 小题4:What can be inferred from Mommy’s Anglo family life? A．She used to experience an identity crisis. B．She fought against her American identity. C．She forgot the pains of her early years. D．She kept her love for Asia from childhood. 小题5:Why did Mommy name her daughter “Shao-ming?” A．To match her own birth-name. B．To brighten the lives of the family. C．To identify her with Chinese origin. D．To justify her pride in Chinese culture. 小题6:By “Your past is more complete than mine,” Mommy means ________. A．her past was completed earlier than Shao-ming’s B．Shao-ming has got motherly care and a sense of roots C．her mother didn’t comfort her the way she did Shao-ming D．her past was spent brokenly, first in Asia, then in the US
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【判断题】Each seller of a product is willing to sell as long as the price he or she can receive is greater than the opportunity cost of producing the product.
A.
正确
B.
错误
【单选题】No one can avoid ____ by advertisements.
A.
to be influenced
B.
being influenced
C.
influencing
D.
having influenced
【单选题】孟德尔以豌豆作为遗传实验材料而获得良好的结果 , 主要是与豌豆的哪些特性有关
A.
豌豆是一种异 花传 粉的植物 , 在自然情况下容易造成子代的变异
B.
豌豆是一种异花 传 粉的植物 ,在自然情况下容易获得杂交品系
C.
豌豆是一种自花 传 粉的植物 ,在自然情况下不容易进行异花 传 粉
D.
豌豆是一种自花 传 粉的植物 , 在自然情况下不容易保存纯种品系
【单选题】现有一些杂种圆粒豌豆和皱粒豌豆,为获得能稳定遗传的圆粒豌豆,最好的方法是
A.
让杂种圆粒豌豆作母本，与皱粒豌豆杂交
B.
让杂种圆粒豌豆作父本，与皱粒豌豆杂交
C.
让杂种圆粒豌豆自交，所获圆粒即为所需
D.
让杂种圆粒豌豆连续自交两代，在未发生性状分离的植株上收获的圆粒
【单选题】下列有关孟德尔选用豌豆作为试验材料的原因中，不正确的是 [ ]
A.
豌豆是异花传粉植物
B.
豌豆是闭花受粉植物
C.
豌豆有利于进行人工杂交试验
D.
豌豆的一些品种之间有易于区分的性状
【单选题】孟德尔选用豌豆作为遗传实验材料的理由是( ) 1豌豆是闭花授粉植物; 2豌豆在自然状态下是纯种; 3豌豆花大,易于人工操作; 4各品种间具有一些稳定的、差异较大而又容易区分的性状 5豌豆在自然状态下是杂种
A.
①②③④
B.
①②⑤
C.
①②④⑤
D.
②③④⑤
【单选题】以下两段代码：A：for(inti=0;i<10;i++)printf("*"); //循环打印10个*B：for(inti=0;i<10000;i++)printf("*");//循环打印10000个*的时间复杂度都是O(1）吗？ 以下说法正确的是：
A.
不是O(1)。A代码的时间复杂度是O(10)，B代码的时间复杂度是O(10000)。
B.
都是O(1)，表示运行时间都是1。
C.
都是O(1)，表示运行时间都是常数，也就是说A代码和B代码的运行时间相同。
D.
都是O(1)，表示运行时间是常数，意思是说，两段代码的运行时间，不随着问题规模N的变化而变化。
【单选题】What do insurers firmly believe?
A.
No one can avoid any risks.
B.
People don't like to spend their money.
C.
Almost all people trust insurance.
D.
Most people like to help others.
相关题目：
【单选题】下列有关孟德尔选用豌豆作为试验材料的原因中，不正确的是 [ ]
A.
豌豆是异花传粉植物
B.
豌豆是闭花受粉植物
C.
豌豆有利于进行人工杂交试验
D.
豌豆的一些品种之间有易于区分的性状