下列各组词语中,划线字的注音或书写无误的一组是 ( )
A:锤练(liàn) 秀颀(qǐ) 潜滋暗长(qiǎn) 坦荡如砥(dǐ)
B:隔阂(hé) 绮秀(yǐ) 寻幽览胜(lǎn) 钟灵毓秀(yù)
C:猝然(cù) 焦灼(zhuó) 自怨自艾(yì) 浮躁不安(zào)
D:厄运(è) 嗥叫(háo) 龇牙咧嘴(cī) 奄奄一息(yān)
图1是中国居民的“平衡膳食宝塔”图,图2是消化系统模式图,图3是淀粉、脂肪和蛋白质在消化道中各部位被消化的情况图,请据图回答下列问题:
Today , we asked some students about what they think of their deskmates . Here are some of the results .
Grace : 13 years old
My deskmate is Kitty . She is really a kind and quiet girl . She is more hardworking than me , and she can always get good grades in exams . So I learn a lot from her . She often helps me with my study . With her help , I think I can improve my study very quickly .
My deskmate is Vera . She is quite friendly and talented in a lot of things such as drawing and writing . She is more creative than me . Last month , she asked me to visit her home . I saw a lot of wonderful pictures on the wall . I thought they were from famous painters , but I was wrong . All the pictures are her works(作品).
Lisa : 13 years old
Rick : 14 years old
My deskmate is Paul . He is taller and stronger than me . Both he and I like sports . However , I like soccer but he likes basketball . He plays basketball better than me , and now he plays for our basketball school team . He thinks playing basketball can bring out the best in him .
“人们一说起中国发现的远古人类化石,没有不首先提到北京人的”.下列关于北京人的叙述,错误的是( )