当井口压力超过允许关井套压时,应打开()放喷。A、套管闸门 B、防喷器 C、平板阀 D、节

题型:单项选择题

问题:

当井口压力超过允许关井套压时,应打开()放喷。

A、套管闸门

B、防喷器

C、平板阀

D、节流阀

考点:井控知识考试井控理论知识井控理论知识题库
题型:单项选择题

They had _______ computers together, so they had to overcome these _______ a network. [ ]

A. difficulty to link, difficulty to create

B. difficulty linking, difficulty creating

C. difficulties linking, difficulties creating

D. difficulty linking, difficulties to create

题型:单项选择题

Play is very important for humans from birth to death. Play is not meant to be just for children. It is a form of (1) that can tap into your creativity, and can allow you the chance to find your inner child and the inner child of others. I have collected the (2) of play here.
Play can stimulate you (3) . It can go against all the rules, and change the same (4) . Walt Disney was devoted to play, and his willingness to (5) changed the world of entertainment. The next time you are stuck in a (6) way of life, puI1 out a box of color pencils, modeling clay, glue and scissors, and (7) and break free. You will be amazed at the way your thinking (8) .
Playing can bring greater joy into your life. What do you think the world would be like if (9) each day in play I bet just asking you this question has (10) . Play creates laughter, joy, entertainment, (11) . Starting today, try to get 30 minutes each day to engage in some form of play, and (12) rise!
Play is known (13) . Studies show that, as humans, play is part of our nature. We have the need to play because it is instinctive and (14) . With regular play, our problem-solving and (15) will be in much better shape to handle this complex world, and we are much more likely to choose (16) as they arise. It creates laughter and freedom that can instantly reduce stress and (17) to our daily living.
Play can (18) , curiosity, and creativity. Research shows that play is both a "hands-on" and "minds-on" learning process. It produces a deeper, (19) of the world and its possibilities. We begin giving meaning to life through story making, and playing out (20) .

题型:单项选择题

你经常做家庭小实验吗?下列物质放入水中能形成溶液的是(  )

A.面粉

B.纯碱

C.茶油

D.泥沙

题型:单项选择题

以下哪项不是急性菌痢的典型表现

A.起病急

B.恶心

C.发热

D.里急后重

E.腹痛

题型:单项选择题

杨志军的单位今年又盖了一批房屋,杨估计自己可以分到一套三居室,于是先按房屋面积买了一些纯毛地毯,准备搬进新居时铺上。但到时杨未能分到三居室房屋,购买的行为( )

A.是无效行为。因为杨购买地毯的动机没有实现,其意思表示是不真实的。

B.是可撤销行为。因为杨对于购买地毯的目的存在重大误解。

C.是有效行为。因为该行为虽有误解但不是重大的。

D.是有效行为。该行为的效力与单位分房之间没有内在联系。

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