给水埋地()管道的外壁应采取防腐蚀措施。
A.塑料
B.钢筋混凝土
C.金属
D.陶土
参考答案:C
_____by the rude boy's cursing that she cried and ran away at once.
A.So Mary was seriously hurt
B.So hurt seriously was Mary
C.So seriously hurt was Mary
D.So seriously hurt Mary was
小王同学需配制100g12%的NaOH溶液来制作“叶脉书签”.在配制溶液过程中,下列做法正确的是( )
A.在托盘上垫上纸并称取12gNaOH固体
B.称量时发现指针向右偏转,应调节游码使天平平衡
C.用100mL量筒量取88mL水
D.把称取的NaOH固体直接倒人装有88mL水的量筒中溶解