【简答题】女性内生殖器形态学特征, 错误 的叙述是
【单选题】()是指前提或结论中至少有一个条件命题的论证。
【简答题】8下列烯烃哪个有顺、反异构?写出顺、反异构体的构型,并命名。
【单选题】According to the passage, which of the following could be considered as a healthy diet?
A.
A diet that is sugar free but nutrient-rich.
B.
A diet that is sodium free but vitamins-rich.
C.
A diet that contains a lot of potassium and calcium.
D.
A diet that consists of low-fat meat and fresh plants.
【单选题】关于我国水资源的叙述,正确的是 [ ]
B.
我国水资源的空间分布特点为:自东南向西北减少,我国耕地的分布也是南多北少,因此我国水、土资源配合良好
C.
我国水资源在季节分配上的特点为:夏秋多冬春少