The present study investigated the effect of two types of attention drawing techniques (i.e., choice and underlining) on the learners' intake of English connectors. The design of the study was a quasi-experimental research. Participants took a homogeneity test and were assigned to two experimental and a control group in Kalam Language Institute of Shoush. Then, sixtynine learners were divided into three groups. The two experimental groups used attention drawing techniques to choose or underline the correct connectors in the texts. The control group, however, was simply exposed to read the text and exercise the drills of grammar in their text. Results indicated that both attention drawing techniques had a significant effect on the intake of the targeted forms of connectors. Implications of the study for practical teaching suggest that the attention drawing techniques can enhance learning connectors and they may be effective in teaching grammar to the pre- intermediate learners. Manuscript profile

This experiment was determined to investigate the effects of exogenous-enzyme addition to the high and low levels of metabolizable energy (ME), on performance, energy utilization and body composition of broiler chickens fed corn-soybean meal diets from 0 to 21 days of age. 240 one-d-old male Ross 308 broil-ers were used in a completely randomized 2 × 2 factorial design, with six replicate cages per treatment. Two metabolizable energy level: 3150 or 2750 kcal/kg and two enzyme (with xylanase beta-glucanase, and phy-tase activity) level: 0 and 200 mg/kg dry matter (DM) were used. There was a main effect of energy (P<0.05) on feed intake of broilers and feeding 2750 kcal/kg ME diet increased feed intake (FI) of broilers in the whole period. The addition of enzyme to 2750 kcal/kg ME diet significantly (P<0.05) improved the average daily gain (ADG) and feed conversion ratio (FCR) of broiler chickens on 0-21 days of age (P<0.05). While net energy for production (NEp), NE, ME, organic matter, and dry matter digestibility were improved (P<0.05) by supplementing both energy level diets with enzyme at 21 d, only addition of enzyme to 2750 kcal/kg ME diet reduced heat production (HP) of broilers in the total trial (P<0.05). On day 21, the amount of NE improvement by enzyme supplementation was greater than ME for 2750 and 3150 kcal/kg, respectively. This study showed that NE is a more sensitive energy utilization measure than ME for evaluating the response of broilers to enzyme supplementation, and the energy retained as fat and protein in the body carcass was higher for the birds fed lower energy diet supplemented with enzyme. Manuscript profile