下列组织中，ALT含量最高的是
A．骨骼肌
B．肾
C．胰腺
D．心肌
E．肝
参考答案：E
100克水里加20克糖，糖水的含糖率约是（ ）%。
He has some trouble ____ his classmates but he has no trouble ____ doing his lessons. [ ]
A. with; with
B. with; in
C. in; in
D. in; with
