【简答题】She
thought that her brother’s suggestion sounded ________. (wonderful,
wonderfully)A. wonderful, B. wonderfully
【单选题】How did the teacher think of Babara's performance?
A.
She thought it was wonderful.
B.
She thought it was the best.
C.
She thought it was awful.
【单选题】下列说法中,不正确的是( )
A.
加入适当催化剂可以改变化学反应速率,但不可提高反应物的转化率
B.
放热反应的反应速率一定比吸热反应的反应速率大
C.
相同条件下,等体积的H 2 和空气含有相同数目的分子
D.
常温常压下,1molN 2 和28gCO含有相同的原子数
【单选题】在合成氨的过程中,没加入催化剂的时候,反应速率很慢。加入铁作为催化剂后.反应速率加快.而铁的化学性质却没有发生改变。 据此可以判断下列正确的选项是( )。
A.
催化剂铁在未改变自身化学性质的情况下,加速了氨的合成过程
【单选题】下列说法中,不正确的是 [ ]
A.
加入适当催化剂可以改变化学反应速率,但不可提高反应物的转化率
B.
放热反应的反应速率一定比吸热反应的反应速率大
C.
相同条件下,等体积的H 2 和空气含有相同数目的分子
D.
常温常压下,1molN 2 和28gCO含有相同的原子数
【简答题】My brother-in-law opened the bottom drawer of my sister's bureau(衣橱) and picked out a wonderful skirt. 'Jan bought this the first time we went to New York, at least 8 or 9 years ago. She never wore it...
【单选题】—What about shirt she bought for her father? —It’s wonderful as birthday present.
【单选题】In Michelle Kwan's opinion, she has succeeded because ______.
A.
she has grown from a kid skater to an artistic skater.
B.
she has seldom lost her confidence.
C.
she was born with such a good gift as has brought her success
D.
she has stuck to her motto: work hard, be herself and have fun