【简答题】阅读下列短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项,并填写在答题卡上。 Katie, a popular student in her small high school, started college , hoping to do well in her courses and be best friends with her roommates. But things di...
【单选题】关于裸眼中井筒有效液柱压力的描述,错误的是
A.
为防止溢流或井喷,井筒有效液柱压力不得低于地层孔隙压力
C.
为了防止井塌,井筒有效液柱压力不得低于地层坍塌压力
D.
为了防止井漏,井筒有效液柱压力不得高于地层破裂压力
【简答题】Directions: Listen to recording 1.5 and complete these extracts with words or expressions from the conversation. A. check B. I didn’t catch that C. spell that for D. Hold on a second E. I’ve got that ...
【判断题】通常顾客浏览网页的等待时间不能超过7秒,如果7秒内,产能品页面没有打开,顾客就会直接关闭网页,所以产品的图片不能太大。
【简答题】Directions: Fill in the blanks with the words or expressions given below. Change the form where necessary. (1) He escaped without a . (2) If you do not to excellence, you will never achieve it. (3) Ev...
【简答题】It was time to break free. I needed to run away and the Bloomsburg Fair was the best place to go. I don’t know if you can call it running away wince it was only and hour away from my home. But once I ...
【单选题】当事人行使法定解除权主张解除合同的,合同自( )时解除。