牙板的发生始于A．胚胎第4周B．胚胎第2周C．胚胎第3周D．胚胎第5周E．胚胎第6周 发布时间：2017-12-05 07:14 │ 来源：www.tikuol.com 题型：单项选择题 问题： 牙板的发生始于A．胚胎第4周B．胚胎第2周C．胚胎第3周D．胚胎第5周E．胚胎第6周
题型：单项选择题 完形填空。 Maria Gomez was born in Peru (秘鲁). She grew up in a small village. She went to school when she wassix years old. She went to an elementary school (小学), but she didn't 1 to high school. Her family was very 2 and she had to go to work when she was thirteen years old. She worked in a shoe factory. When Maria was seventeen years old, her family 3 to the United States. First they lied in Los Angeles, and then they moved to San Francisco. When Maria 4 to the United States, she was not very happy. She missed her friends in Peru, and she couldn't 5 a word of English. She began to study English atnight, 6 work in a factory during the day. Maria studied very hard, and now she speaks English well. She's 7 at night, but now she's studying typing. She wants to 8 a secretary (秘书). Maria still misses her friends in Peru. But she's very happy now, and she hopes she will have a good future in the new country. ( )1. A. want ( )2. A. rich ( )3. A. moved ( )4. A. talked ( )5. A. tell ( )6. A. when ( )7. A. studying ( )8. A. do B. go B. poor B. changed B. called B. talk B. so B. thinking B. work C. began C. happy C. happened C. got C. know C. or C. sleeping C. be D. study D. glad D. started D. spoke D. say D. and D. writingD. play 查看答案
题型：单项选择题 信用证开立的基础是买卖合同，又是开证行对受益人的有条件的付款承诺，所以，当信用证条款与买卖合同规定不一致时，受益人可以( )。 A．自行修改 B．要求通知行修改 C．要求开证申请人修改 D．要求开证行修改 查看答案