单词拼写：

76. Light , heat, and electricity are different forms of e____________.

77. Eating more vegetable and less fat will greatly b___________ your health.

78. The a_________ size for British schools is about 29 students in each class.

79. He i__________ the key into the lock but fond he couldn’t turn it.

80 . These plants can’t s_____________ without enough water and sunshine.

81. Of all the _______________(大陆),  Asia is the largest one.

82. Many friends were invited to Mary's birthday party, Jack____________(包括).

83. It is a bad habit to be ______________ (有瘾) to smoking.

84. I’m __________ (极其) sorry to have kept you waiting for so long a time.

85. _______________ (比较)to most of your classmates, you are lucky.

干化学法主要是将液体样品直接加到固定在特定载体的干试剂上，并以样品中的某种物质作为溶剂，使样品中的待测成分与试剂进行化学反应，从而进行分析测定的方法。这种物质是（）

A.水

B.蛋白质

C.血浆

D.血清

E.样品稀释液