The dining hall is to hold 300 people. A. enough big B. enough small C. small enough D. big enough
关于静电场，下列结论普遍成立的是 ( ) A．电场中任意两点之间的电势差只与这两点的场强有
结合影响化学反应速率和化学平衡移动的因素，以及生产的实际情况，得出合成氨工业的最适宜条件是
—Did Alan enjoy seeing his old friends yesterday? —Yes, he did. He __________ his old friends for a long time. A. didn’t see B. wouldn’t see C. hasn’t seen D. hadn’t seen
下列各句中没有语病、句意明确的一句是 A．“三农”问题长期得不到根本解决的原因，就在于“二元”经济社会结构下的城乡之间长期处于相互分割、
— You can’t imagine ______ little ants can carry ______ heavy a thing. — That’s what we should learn from ants. A. such; so B. so; such
一小孩身高1.5米，隔河观察正午塔影情况。发现6月22 日正午时，塔影达全年最大，且塔尖的影子正好位于他的立足处。读图回答该河受侵蚀强烈的是A.
There _______ a wonderful film in our school tomorrow. A. is going to have B. will haveC. is D. will be
B．
D．
