Buddy is a drug-detector dog, working for the police. What it can do is beyond your expectations. For instance, Buddy can tell ______ there are illegal drugs in a bag. (A) what (B) how (C) that (D) if
(D) if
15
It seems that the scent of a person on the scarecrow's clothes is actually______ frightens the birds off. (A) what (B) which (C) that (D) where
(A) what
20
Another requirement was _________ he should have larger ears, up-slanting (傾向) eyes and eyebrows. (A) what (B) whether (C) why (D) that
(D) that
15
The Plains Indians' house, on the other hand, was a tepee (圓錐形帳篷) made with long poles and animal skins with an entrance ___________ directly into one wall.
(A) cutting (B) which cut (C) to cut (D) cut
(A) cutting
25
On average, brains of men are about 10% larger than ________ of women. (A) those (B) which (C) ones (D) that
(A) those
10
"Black Hat" hackers break into computer systems to steal information or money _______"White Hat" hackers do so to help companies improve their security systems. (A) while (B) where (C) when (D) whether
(A) while
20
However, useful __________ the mouse is, it couldn't hold off competitors forever. Smartphones, tablets and digital automotive systems have taken computers to a place the mouse cannot follow. (A) although (B) whereas (C) while (D) as
(D) as
25
Tens of billions of spam messages fly through cyberspace daily. These unwanted emails - ________ selling products or containing viruses- fill Internet users' inboxes. (A) no matter (B) if (C) however (D) whether
(D) whether
10
Learning English has become a top priority for many students in Taiwan. They polish their English skills through many different methods, among ______ learning English through the Internet has been growing in popularity in recent years. (填空)