下列关于肾上腺皮质腺瘤的临床表现哪项正确（）
A.阵发性血压升高
B.库欣（Cushing）综合征
C.多囊卵巢
D.停经泌乳
E.肢端肥大
参考答案：B
如图所示的电路，将两个相同的电流表分别改装成A1(0—3A)和A2(0—0.6A)的电流表，把两个电流表并联接入电路中测量电流强度，则下列说法正确的是
A.A1的指针半偏时，A2的指针也半偏
B.A1的指针还没半偏时，A2的指针已经半偏
C.A1的读数为1A时，A2的读数为0.6A
D.A1的读数为1A时，干路的电流I为1.2A
Soon, more of the information we receive via the Internet could come (71) in digital wrappers.
Wrappers are made up (72) software code that’s targeted to do specific things with the data (73) within them, such as helping to define queries for search engines. They also keep (74) from (75) access to that code.
（73）处填（）。
A．close
B．closed
C．enclose
D．enclosed
