读句子，写出加粗词的反义词。 1．我和闰土不到半日，便熟识了。（ ） 2．我的父亲允

如图所示，空间中有两个点电荷Q₁和Q₂，在两电荷所在平面上有a、b、c、d四点，其中a、b位于电荷连线的延长线上， c点位于两电荷连线的中点，d点位于两电荷连线的垂直平分线上。则以下判错误的是 （         ）

A．若a点的电场强度为零，则说明Q₁和Q₂为异种电荷，且|Q₁| < |Q₂|

B．若c点的电势为零，则说明Q₁和Q₂是异种电荷，且|Q₁|＝|Q₂|

C．若b点的电场强度为零，则说明Q₁和Q₂是同种电荷，且|Q₁| > |Q₂|

D．无论两电荷是同种电荷还是异种电荷，d点的电场强度都不可能为零

Some myths are stories told since ancient times to explain the causes for natural happenings. The Greek myth that explains why there are changes of ___1___ is about Demeter, the goddess of the harvest. She had a daughter, Persephone, whom she loved very much. Hades, god of the underworld, fell in love with Persephone, and he asked Zeus, the ___2___ of the gods, to give Persephone to him as his ___3___. Zeus did not want either to disappoint Hades or to upset Demeter, so he said he would not agree to the marriage, but neither would he ___4___ it. Hades, therefore, decided to take the girl without ___5___. When Persephone was picking flowers in the garden, he seized her and took her to the underworld. When Demeter ___6___ what happened to Persephone, she became so ___7___ that she caused all plants to ___8___ People were in ___9___ of starving. But Demeter was determined not to let crops grow ___10___ her daughter, Persephone, was returned to her. ___11___, still not wanting to disappoint Hades, decided upon a condition for Persephone’s ___12___. She could go back to her mother if she had not ___13___ anything while she was in the underworld. Demeter ___14___ it because she did not know that Persephone had eaten several pomegranate(石榴) seeds in the underworld. When Zeus ___15___ this, he agreed that Persephone could spend part of the year with her ___16___, but he added that since she had eaten the seeds, she must spend part of the year in the underworld. and so it ___17___ that when Persephone is in the underworld, Demeter is sad and therefore ___18___ not let the crops grow. That is ___19___ we have winter when plants do not grow. When Persephone returns, Demeter is ___20___, it is spring, and plants begin to grow again.

1. A. periods   B. seasons       C. time    D. age

2. A. winner   B. ruler   C. advisor       D. fighter

3. A. wife       B. lover   C. partner       D. daughter

4. A. forbid    B. forgive       C. admit  D. accept

5. A. arrangement   B. warning     C. reason D. permission

6. A. let out    B. worked out C. thought out D. found out

7. A. excited   B. tired   C. angry  D. serious

8. A. grow fast       B. start growing     C. stop growing     D. grow slowly

9. A. danger    B. hope   C. turn    D. case

10. A. since    B. until   C. after   D. when

11. A. Persephone   B. Zeus   C. Demeter     D. Hades

12. A. return   B. change       C. marriage    D. journey

13. A. stolen   B. found  C. eaten   D. heard

14. A. understood   B. refused       C. doubted      D. accepted

15. A. discovered   B. studied       C. forgot D. prepared

16. A. daughter      B. mother       C. god     D. ruler

17. A. works   B. remains      C. happens      D. starts

18. A. should  B. can     C. dare    D. will

19. A. where   B. because      C. why    D. how

20. A. nice      B. friendly      C. fresh   D. happy

一、 根据下面的统计图回答86-90题 甲乙两个公司的水平测试情况（单位：人） 图暂缺

如果90分以上为优秀，甲公司的优秀率是多少？（）。

A．30%

B．34%

C．26%

D．28%

甲、乙签订买卖合同，甲向乙支付全部价款，约定乙应于1999年12月30日前交付货物。12月25日，甲得知乙近期将出国，并已将库存全部货物及其他财产卖给他人。于是，甲要求乙承担违约责任，乙拒绝。下列表述正确的是：

A．未到交付期限，甲无权要求乙承担违约责任

B．甲有权要求乙承担违约责任

C．甲有权行使撤销权

D．甲只能在12月30日后要求乙承担违约责任

（）期权合约的价值取决于敲定价格（或执行价格）与基础资产价格在一段时间内的平均值的比较。

A.亚式期权

B.回溯期权

C.挡板期权

D.数字期权