—It's been such a wonderful evening with you! Thank you very much!
—_______
A:Glad to hear that.
B:My pleasure!
C:It's nothing.
D:No thanks.
This apple is ____ (big) than that one.
Bob is____ (make) a birthday card for Lili.
水母发光蛋白由236个氨基酸构成,其中Asp、Gly、Ser构成发光环,现已将这种蛋白质的基因作为生物转基因的标记,在转基因技术中,这种蛋白质的作用是 ( )
读如图,《慈善法》的实施有利于( )
①弘扬中华民族的传统美德 ②实施依法治国的基本方略
③为慈善活动提供法律保障 ④扶贫帮困,消除贫困现象
观光艇满载时以最大航速匀速行驶,此时受到水的平均阻力是多少?