—What's the meaning of"One Belt and One Road"?
—Let me ________ the words in the new dictionary.
A:look at
B:look for
C:look after
D:look up
如图是生态系统的能量流动图解,对此图解的理解错误的是( )
下列划线的成语,使用不当的一项是 ( )
I'd appreciate _______if you could come and help me once more and I always appreciate _______me with my English in the past.
太阳能热水器内盛有40kg的水,在阳光照射下,水的温度升高了25℃,求:水吸收的热量.(c水=4.2×103J/(kg•℃)