调节阀的旁通阀通常选用（）。A、闸阀 B、截止阀 C、止逆阀 D、安全阀 发布时间：2019-08-02 08:23 │ 来源：www.tikuol.com 题型：单项选择题 问题： 调节阀的旁通阀通常选用（）。A、闸阀B、截止阀C、止逆阀D、安全阀
题型：单项选择题 完型填空。 Maria Comez was born in Peru. She grew up in a small village. She 1 when she was six years old.She went to elementary school, but she 2 to high school. Her family was very 3 , and she had to go to work when she was thirteen years old. She 4 in a shoe factory. When Maria was seventeen years old, her family 5 to the United States. Maria 6 in the United States, she was not happy. She missed her friends in Peru, and she didn't 7 a word of English. She began to study English at night, 8 worked in a factory during the day. Maria studied very hard, and now she speaks English well. She is still 9 at night, but now she is studying typing. She wants 10 in Peru. Maria still misses her friends in Peru. But she is very happy now, and she hopes she will have a good future in the new country.( )1. A. went to school( )2. A. went ( )3. A. rich ( )4. A. works ( )5. A. moved ( )6. A. reached ( )7. A. tell ( )8. A. when ( )9. A. studying ( )10. A. to do B. go to schoolB. didn't go B. poor B. is working B. go B. arrivel B. talk B. so B. studied B. do C. goes to school C. began C. happy C. is going to workC. stayed C. got C. know C. or C. study C. tobe D. begins schoolD. wasn't D. glad D. worked D. lived D. moved D. say D. and D. studies D. be 查看答案
题型：单项选择题 —Can you tell me some countries______a long history? ---Of course. There are a lot of countries, _______China, India and so on.A．have; for exampleB．has; such asC．with; for exampleD．with; such as 查看答案
题型：单项选择题 The children all turned__________the famous actress as she entered the classroom.A．looked atB．to look atC．to looking atD．look at 查看答案