正方体表面积越大,体积就越大。[ ]
正确
He ______ chess well. But since he graduated from university, he almost has had no time to touch it.
A.played
B.plays
C.has played
D.had played
卵泡刺激素(FSH)和黄体生成激素(LH)直接控制卵巢的周期性变化。