植物的呼吸作用只在晚上进行．（判断对错）

下列语句中没有语病的一项是（    ）

有关专家提出了“以废治废”的治理污染新思路，并且起到了一定的成效．如冶炼钢铁时，为减少煤中硫燃烧生成的二氧化硫所造成的污染，一般是在煤燃烧时添加生石灰或石灰石进行固硫（主要是利用氧化钙与二氧化硫反应生成亚硫酸钙）． 根据这一原理，有人将造纸厂回收的碱白泥（主要成份：CaCO₃和NaOH）掺进煤中进行固硫．用碱白泥固硫时，下列说法不正确的是（    ）

①S+O₂ SO₂                      

②CaCO₃ CaO+CO₂↑

③CaCO₃+2NaOH═Na₂CO₃+Ca（OH）₂

④SO₂+CaO CaSO₃

⑤SO₂+2NaOH═Na₂SO₃+H₂O．

完形填空

    Look at this girl.  1 name is Wang Meimei.  2 is twelve. Wang Ming is her brother. He is3 Class Three，Grade Two. Do you know how old he is? He is fourteen years old. The brother4 sister are in No. 2 Middle School. Their mother5 a teacher. She is an6 teacher. Their father, Mr Wang, is a teacher, 7. He is a Chinese teacher in No. 8 Middle School. Their students all love them because they love their students. They have(有) a cat.8 name is Mimi. 9 a nice cat. The cat and Wang Meimei are 10friends.